<?xml version="1.0" encoding="us-ascii"?>
<!--XBRL document created with Crossfire by Rivet Software version 4.3.90.0 http://www.rivetsoftware.com-->
<!--Based on XBRL 2.1-->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#CondensedConsolidatedStatementsOfOperations" roleURI="http://tmsinternationalcorp.com/role/CondensedConsolidatedStatementsOfOperations" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#CondensedConsolidatedBalanceSheets" roleURI="http://tmsinternationalcorp.com/role/CondensedConsolidatedBalanceSheets" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#CondensedConsolidatedStatementsOfCashFlows" roleURI="http://tmsinternationalcorp.com/role/CondensedConsolidatedStatementsOfCashFlows" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#StatementsOfConsolidatedComprehensiveIncomeLoss" roleURI="http://tmsinternationalcorp.com/role/StatementsOfConsolidatedComprehensiveIncomeLoss" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#DebtTables" roleURI="http://tmsinternationalcorp.com/role/DebtTables" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#DebtDetails" roleURI="http://tmsinternationalcorp.com/role/DebtDetails" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#DebtDetails1" roleURI="http://tmsinternationalcorp.com/role/DebtDetails1" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#DebtDetailsTextual" roleURI="http://tmsinternationalcorp.com/role/DebtDetailsTextual" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#DerivativeFinancialInstrumentsAndFairValues" roleURI="http://tmsinternationalcorp.com/role/DerivativeFinancialInstrumentsAndFairValues" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#DerivativeFinancialInstrumentsAndFairValuesTables" roleURI="http://tmsinternationalcorp.com/role/DerivativeFinancialInstrumentsAndFairValuesTables" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#DerivativeFinancialInstrumentsAndFairValuesDetails" roleURI="http://tmsinternationalcorp.com/role/DerivativeFinancialInstrumentsAndFairValuesDetails" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#DerivativeFinancialInstrumentsAndFairValuesDetails1" roleURI="http://tmsinternationalcorp.com/role/DerivativeFinancialInstrumentsAndFairValuesDetails1" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#DerivativeFinancialInstrumentsAndFairValuesDetails2" roleURI="http://tmsinternationalcorp.com/role/DerivativeFinancialInstrumentsAndFairValuesDetails2" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#DerivativeFinancialInstrumentsAndFairValuesDetailsTextual" roleURI="http://tmsinternationalcorp.com/role/DerivativeFinancialInstrumentsAndFairValuesDetailsTextual" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#StockBasedCompensation" roleURI="http://tmsinternationalcorp.com/role/StockBasedCompensation" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#StockBasedCompensationTables" roleURI="http://tmsinternationalcorp.com/role/StockBasedCompensationTables" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#StockBasedCompensationDetails" roleURI="http://tmsinternationalcorp.com/role/StockBasedCompensationDetails" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#NatureOfOperationsDetailsTextual" roleURI="http://tmsinternationalcorp.com/role/NatureOfOperationsDetailsTextual" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#EarningsPerShareDetails" roleURI="http://tmsinternationalcorp.com/role/EarningsPerShareDetails" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#BasisOfPresentationDetailsTextual" roleURI="http://tmsinternationalcorp.com/role/BasisOfPresentationDetailsTextual" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#InventoriesDetails" roleURI="http://tmsinternationalcorp.com/role/InventoriesDetails" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#IncomeTaxesDetails" roleURI="http://tmsinternationalcorp.com/role/IncomeTaxesDetails" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#FairValueOfFinancialInstruments" roleURI="http://tmsinternationalcorp.com/role/FairValueOfFinancialInstruments" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#NatureOfOperations" roleURI="http://tmsinternationalcorp.com/role/NatureOfOperations" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#BasisOfPresentation" roleURI="http://tmsinternationalcorp.com/role/BasisOfPresentation" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#EarningsPerShare" roleURI="http://tmsinternationalcorp.com/role/EarningsPerShare" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#Inventories" roleURI="http://tmsinternationalcorp.com/role/Inventories" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#IncomeTaxes" roleURI="http://tmsinternationalcorp.com/role/IncomeTaxes" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#Debt" roleURI="http://tmsinternationalcorp.com/role/Debt" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#OperatingSegments" roleURI="http://tmsinternationalcorp.com/role/OperatingSegments" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#RetirementAndPensionPlans" roleURI="http://tmsinternationalcorp.com/role/RetirementAndPensionPlans" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#StockBasedCompensationDetailsTextual" roleURI="http://tmsinternationalcorp.com/role/StockBasedCompensationDetailsTextual" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#OperatingSegmentsDetails" roleURI="http://tmsinternationalcorp.com/role/OperatingSegmentsDetails" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#OperatingSegmentsDetails1" roleURI="http://tmsinternationalcorp.com/role/OperatingSegmentsDetails1" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#OperatingSegmentsDetailsTextual" roleURI="http://tmsinternationalcorp.com/role/OperatingSegmentsDetailsTextual" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#RetirementAndPensionPlansDetails" roleURI="http://tmsinternationalcorp.com/role/RetirementAndPensionPlansDetails" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#FairValueOfFinancialInstrumentsDetails" roleURI="http://tmsinternationalcorp.com/role/FairValueOfFinancialInstrumentsDetails" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#CommitmentsAndContingenciesDetails" roleURI="http://tmsinternationalcorp.com/role/CommitmentsAndContingenciesDetails" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#BusinessCombinationsDetails" roleURI="http://tmsinternationalcorp.com/role/BusinessCombinationsDetails" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#CommercialArbitrationAwardDetails" roleURI="http://tmsinternationalcorp.com/role/CommercialArbitrationAwardDetails" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#RelatedPartyTransactionsDetails" roleURI="http://tmsinternationalcorp.com/role/RelatedPartyTransactionsDetails" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#StockholdersEquityDeficit" roleURI="http://tmsinternationalcorp.com/role/StockholdersEquityDeficit" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#StockholdersEquityDeficitDetailsTextual" roleURI="http://tmsinternationalcorp.com/role/StockholdersEquityDeficitDetailsTextual" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#StockBasedCompensationDetails1" roleURI="http://tmsinternationalcorp.com/role/StockBasedCompensationDetails1" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#DocumentAndEntityInformation" roleURI="http://tmsinternationalcorp.com/role/DocumentAndEntityInformation" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#DisclosureInventoriesTables" roleURI="http://tmsinternationalcorp.com/role/DisclosureInventoriesTables" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#CondensedConsolidatedBalanceSheetsParenthetical" roleURI="http://tmsinternationalcorp.com/role/CondensedConsolidatedBalanceSheetsParenthetical" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#ConsolidatedStatementsOfChangesInStockholdersEquityDeficit" roleURI="http://tmsinternationalcorp.com/role/ConsolidatedStatementsOfChangesInStockholdersEquityDeficit" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#CommitmentsAndContingencies" roleURI="http://tmsinternationalcorp.com/role/CommitmentsAndContingencies" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#BusinessCombinations" roleURI="http://tmsinternationalcorp.com/role/BusinessCombinations" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#CommercialArbitrationAward" roleURI="http://tmsinternationalcorp.com/role/CommercialArbitrationAward" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#RelatedPartyTransactions" roleURI="http://tmsinternationalcorp.com/role/RelatedPartyTransactions" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#RecentAccountingPronouncements" roleURI="http://tmsinternationalcorp.com/role/RecentAccountingPronouncements" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#DisclosureEarningsPerShareTables" roleURI="http://tmsinternationalcorp.com/role/DisclosureEarningsPerShareTables" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#DisclosureOperatingSegmentsTables" roleURI="http://tmsinternationalcorp.com/role/DisclosureOperatingSegmentsTables" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#DisclosureRetirementAndPensionPlansTables" roleURI="http://tmsinternationalcorp.com/role/DisclosureRetirementAndPensionPlansTables" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#DisclosureFairValueOfFinancialInstrumentsTables" roleURI="http://tmsinternationalcorp.com/role/DisclosureFairValueOfFinancialInstrumentsTables" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#InventoriesDetailsTextual" roleURI="http://tmsinternationalcorp.com/role/InventoriesDetailsTextual" />
  <roleRef xlink:type="simple" xlink:href="tms-20120630.xsd#RetirementAndPensionPlansDetailsTextual" roleURI="http://tmsinternationalcorp.com/role/RetirementAndPensionPlansDetailsTextual" />
  <calculationLink xlink:role="http://tmsinternationalcorp.com/role/CondensedConsolidatedStatementsOfOperations" xlink:type="extended" xlink:title="0110 - Statement - Condensed Consolidated Statements of Operations (Unaudited)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss_634593864744328083" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:to="us-gaap_NetIncomeLoss_634593864744328083" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="us-gaap_IncomeTaxExpenseBenefit_634593864744328083" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetIncomeLoss_634593864744328083" xlink:to="us-gaap_IncomeTaxExpenseBenefit_634593864744328083" order="1" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_634593864744328083" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetIncomeLoss_634593864744328083" xlink:to="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_634593864744328083" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestIncomeExpenseNet" xlink:label="us-gaap_InterestIncomeExpenseNet_634593864744328083" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_634593864744328083" xlink:to="us-gaap_InterestIncomeExpenseNet_634593864744328083" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss_634593864744328083" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_634593864744328083" xlink:to="us-gaap_OperatingIncomeLoss_634593864744328083" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="us-gaap_CostsAndExpenses_634593864744328083" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingIncomeLoss_634593864744328083" xlink:to="us-gaap_CostsAndExpenses_634593864744328083" order="1" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_634593864744328083" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CostsAndExpenses_634593864744328083" xlink:to="us-gaap_SellingGeneralAndAdministrativeExpense_634593864744328083" order="1" use="optional" weight="1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Depreciation" xlink:label="us-gaap_Depreciation_634593864744328083" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CostsAndExpenses_634593864744328083" xlink:to="us-gaap_Depreciation_634593864744328083" order="2" use="optional" weight="1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentForAmortization" xlink:label="us-gaap_AdjustmentForAmortization_634593864744328083" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CostsAndExpenses_634593864744328083" xlink:to="us-gaap_AdjustmentForAmortization_634593864744328083" order="3" use="optional" weight="1" priority="4" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CostOfGoodsSold" xlink:label="us-gaap_CostOfGoodsSold_634593864744328083" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CostsAndExpenses_634593864744328083" xlink:to="us-gaap_CostOfGoodsSold_634593864744328083" order="4" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DirectOperatingCosts" xlink:label="us-gaap_DirectOperatingCosts_634593864744338084" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CostsAndExpenses_634593864744328083" xlink:to="us-gaap_DirectOperatingCosts_634593864744338084" order="5" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="tms-20120630.xsd#tms_ShareBasedCompensationAssociatedWithInitialPublicOffering" xlink:label="tms_ShareBasedCompensationAssociatedWithInitialPublicOffering_634593864744338084" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CostsAndExpenses_634593864744328083" xlink:to="tms_ShareBasedCompensationAssociatedWithInitialPublicOffering_634593864744338084" order="6" use="optional" weight="1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Revenues" xlink:label="us-gaap_Revenues_634593864744338084" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingIncomeLoss_634593864744328083" xlink:to="us-gaap_Revenues_634593864744338084" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SalesRevenueNet" xlink:label="us-gaap_SalesRevenueNet_634593864744338084" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Revenues_634593864744338084" xlink:to="us-gaap_SalesRevenueNet_634593864744338084" order="1" use="optional" weight="1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SalesRevenueServicesGross" xlink:label="us-gaap_SalesRevenueServicesGross_634593864744338084" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Revenues_634593864744338084" xlink:to="us-gaap_SalesRevenueServicesGross_634593864744338084" order="2" use="optional" weight="1" priority="3" />
    <loc xlink:type="locator" xlink:href="tms-20120630.xsd#tms_AccretionOnPreferredStock" xlink:label="tms_AccretionOnPreferredStock_634593864744338084" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:to="tms_AccretionOnPreferredStock_634593864744338084" order="2" use="optional" weight="-1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossAttributableToNoncontrollingInterest" xlink:label="us-gaap_IncomeLossAttributableToNoncontrollingInterest_634593864744338084" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:to="us-gaap_IncomeLossAttributableToNoncontrollingInterest_634593864744338084" order="3" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_634593864744328083" xlink:to="us-gaap_GainsLossesOnExtinguishmentOfDebt" order="0.5" use="optional" weight="1" priority="1" />
  </calculationLink>
  <calculationLink xlink:role="http://tmsinternationalcorp.com/role/CondensedConsolidatedBalanceSheets" xlink:type="extended" xlink:title="0130 - Statement - Condensed Consolidated Balance Sheets">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="us-gaap_AssetsCurrent_634593864744348085" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_AssetsCurrent_634593864744348085" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_634593864744348085" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AssetsCurrent_634593864744348085" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_634593864744348085" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="us-gaap_AccountsReceivableNetCurrent_634593864744348085" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AssetsCurrent_634593864744348085" xlink:to="us-gaap_AccountsReceivableNetCurrent_634593864744348085" order="2" use="optional" weight="1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InventoryNet" xlink:label="us-gaap_InventoryNet_634593864744348085" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AssetsCurrent_634593864744348085" xlink:to="us-gaap_InventoryNet_634593864744348085" order="3" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_634593864744348085" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AssetsCurrent_634593864744348085" xlink:to="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_634593864744348085" order="4" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsNetCurrent" xlink:label="us-gaap_DeferredTaxAssetsNetCurrent_634593864744348085" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AssetsCurrent_634593864744348085" xlink:to="us-gaap_DeferredTaxAssetsNetCurrent_634593864744348085" order="5" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_634593864744348085" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_PropertyPlantAndEquipmentNet_634593864744348085" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredFinanceCostsNoncurrentNet" xlink:label="us-gaap_DeferredFinanceCostsNoncurrentNet_634593864744348085" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_DeferredFinanceCostsNoncurrentNet_634593864744348085" order="3" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Goodwill" xlink:label="us-gaap_Goodwill_634593864744348085" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_Goodwill_634593864744348085" order="4" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill_634593864744348085" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_IntangibleAssetsNetExcludingGoodwill_634593864744348085" order="5" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="us-gaap_OtherAssetsNoncurrent_634593864744348085" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_OtherAssetsNoncurrent_634593864744348085" order="6" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Liabilities" xlink:label="us-gaap_Liabilities_634593864744358086" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_Liabilities_634593864744358086" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="us-gaap_LiabilitiesCurrent_634593864744358086" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Liabilities_634593864744358086" xlink:to="us-gaap_LiabilitiesCurrent_634593864744358086" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="us-gaap_AccountsPayableCurrent_634593864744358086" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesCurrent_634593864744358086" xlink:to="us-gaap_AccountsPayableCurrent_634593864744358086" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsPayableOtherCurrent" xlink:label="us-gaap_AccountsPayableOtherCurrent_634593864744358086" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesCurrent_634593864744358086" xlink:to="us-gaap_AccountsPayableOtherCurrent_634593864744358086" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="us-gaap_EmployeeRelatedLiabilitiesCurrent_634593864744358086" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesCurrent_634593864744358086" xlink:to="us-gaap_EmployeeRelatedLiabilitiesCurrent_634593864744358086" order="3" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="us-gaap_AccruedLiabilitiesCurrent_634593864744358086" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesCurrent_634593864744358086" xlink:to="us-gaap_AccruedLiabilitiesCurrent_634593864744358086" order="4" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LinesOfCreditCurrent" xlink:label="us-gaap_LinesOfCreditCurrent_634593864744358086" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesCurrent_634593864744358086" xlink:to="us-gaap_LinesOfCreditCurrent_634593864744358086" order="5" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="us-gaap_LongTermDebtCurrent_634593864744358086" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesCurrent_634593864744358086" xlink:to="us-gaap_LongTermDebtCurrent_634593864744358086" order="6" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="us-gaap_LongTermDebtNoncurrent_634593864744358086" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Liabilities_634593864744358086" xlink:to="us-gaap_LongTermDebtNoncurrent_634593864744358086" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="us-gaap_DeferredTaxLiabilitiesNoncurrent_634593864744368087" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Liabilities_634593864744358086" xlink:to="us-gaap_DeferredTaxLiabilitiesNoncurrent_634593864744368087" order="3" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_634593864744368087" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Liabilities_634593864744358086" xlink:to="us-gaap_OtherLiabilitiesNoncurrent_634593864744368087" order="4" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_634593864744368087" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_634593864744368087" order="3" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity_634593864744368087" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_634593864744368087" xlink:to="us-gaap_StockholdersEquity_634593864744368087" order="1" use="optional" weight="1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockValue" xlink:label="us-gaap_CommonStockValue_634593864744368087" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_StockholdersEquity_634593864744368087" xlink:to="us-gaap_CommonStockValue_634593864744368087" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock_634593864744368087" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_StockholdersEquity_634593864744368087" xlink:to="us-gaap_AdditionalPaidInCapitalCommonStock_634593864744368087" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_634593864744378088" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_StockholdersEquity_634593864744368087" xlink:to="us-gaap_RetainedEarningsAccumulatedDeficit_634593864744378088" order="3" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_634593864744378088" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_StockholdersEquity_634593864744368087" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_634593864744378088" order="4" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinorityInterest" xlink:label="us-gaap_MinorityInterest_634593864744378088" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_634593864744368087" xlink:to="us-gaap_MinorityInterest_634593864744378088" order="2" use="optional" weight="1" priority="3" />
    <loc xlink:type="locator" xlink:href="tms-20120630.xsd#tms_LoansFromNoncontrollingInterests" xlink:label="tms_LoansFromNoncontrollingInterests" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Liabilities_634593864744358086" xlink:to="tms_LoansFromNoncontrollingInterests" order="2.5" use="optional" weight="1" priority="1" />
  </calculationLink>
  <calculationLink xlink:role="http://tmsinternationalcorp.com/role/CondensedConsolidatedStatementsOfCashFlows" xlink:type="extended" xlink:title="0140 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_634593864744378088" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities_634593864744378088" order="1" use="optional" weight="1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss_634593864744378088" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_634593864744378088" xlink:to="us-gaap_NetIncomeLoss_634593864744378088" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="us-gaap_DepreciationDepletionAndAmortization_634593864744378088" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_634593864744378088" xlink:to="us-gaap_DepreciationDepletionAndAmortization_634593864744378088" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AmortizationOfFinancingCosts" xlink:label="us-gaap_AmortizationOfFinancingCosts_634593864744378088" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_634593864744378088" xlink:to="us-gaap_AmortizationOfFinancingCosts_634593864744378088" order="3" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_634593864744378088" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_634593864744378088" xlink:to="us-gaap_DeferredIncomeTaxExpenseBenefit_634593864744378088" order="4" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="us-gaap_ProvisionForDoubtfulAccounts_634593864744388089" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_634593864744378088" xlink:to="us-gaap_ProvisionForDoubtfulAccounts_634593864744388089" order="5" use="optional" weight="1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_634593864744388089" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_634593864744378088" xlink:to="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_634593864744388089" order="6" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="us-gaap_ShareBasedCompensation_634593864744388089" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_634593864744378088" xlink:to="us-gaap_ShareBasedCompensation_634593864744388089" order="7" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_634593864744388089" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_634593864744378088" xlink:to="us-gaap_IncreaseDecreaseInAccountsReceivable_634593864744388089" order="8" use="optional" weight="-1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="us-gaap_IncreaseDecreaseInInventories_634593864744388089" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_634593864744378088" xlink:to="us-gaap_IncreaseDecreaseInInventories_634593864744388089" order="9" use="optional" weight="-1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_634593864744388089" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_634593864744378088" xlink:to="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_634593864744388089" order="10" use="optional" weight="-1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentAssets" xlink:label="us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_634593864744388089" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_634593864744378088" xlink:to="us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_634593864744388089" order="11" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayable_634593864744388089" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_634593864744378088" xlink:to="us-gaap_IncreaseDecreaseInAccountsPayable_634593864744388089" order="12" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:label="us-gaap_IncreaseDecreaseInAccruedLiabilities_634593864744388089" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_634593864744378088" xlink:to="us-gaap_IncreaseDecreaseInAccruedLiabilities_634593864744388089" order="13" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities" xlink:label="us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_634593864744388089" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_634593864744378088" xlink:to="us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_634593864744388089" order="14" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_634593864744388089" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_634593864744378088" xlink:to="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_634593864744388089" order="15" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_634593864744398090" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities_634593864744398090" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_634593864744398090" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities_634593864744398090" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_634593864744398090" order="1" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_634593864744398090" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities_634593864744398090" xlink:to="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_634593864744398090" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_634593864744398090" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities_634593864744398090" xlink:to="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_634593864744398090" order="3" use="optional" weight="-1" priority="3" />
    <loc xlink:type="locator" xlink:href="tms-20120630.xsd#tms_ContingentPaymentForAcquiredBusiness" xlink:label="tms_ContingentPaymentForAcquiredBusiness_634593864744398090" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities_634593864744398090" xlink:to="tms_ContingentPaymentForAcquiredBusiness_634593864744398090" order="5" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesAndInterestInAffiliates" xlink:label="us-gaap_PaymentsToAcquireBusinessesAndInterestInAffiliates_634593864744398090" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities_634593864744398090" xlink:to="us-gaap_PaymentsToAcquireBusinessesAndInterestInAffiliates_634593864744398090" order="6" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_634593864744398090" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities_634593864744398090" order="3" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="us-gaap_RepaymentsOfLinesOfCredit_634593864744408091" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities_634593864744398090" xlink:to="us-gaap_RepaymentsOfLinesOfCredit_634593864744408091" order="1" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="us-gaap_RepaymentsOfLongTermDebt_634593864744408091" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities_634593864744398090" xlink:to="us-gaap_RepaymentsOfLongTermDebt_634593864744408091" order="2" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromMinorityShareholders" xlink:label="us-gaap_ProceedsFromMinorityShareholders_634593864744408091" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities_634593864744398090" xlink:to="us-gaap_ProceedsFromMinorityShareholders_634593864744408091" order="3" use="optional" weight="1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_634593864744408091" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities_634593864744398090" xlink:to="us-gaap_ProceedsFromIssuanceOfCommonStock_634593864744408091" order="4" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="tms-20120630.xsd#tms_PaymentsToAcquireNoncontrollingInterest" xlink:label="tms_PaymentsToAcquireNoncontrollingInterest" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities_634593864744398090" xlink:to="tms_PaymentsToAcquireNoncontrollingInterest" order="44" use="optional" weight="-1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:label="us-gaap_PaymentsOfDebtIssuanceCosts" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities_634593864744398090" xlink:to="us-gaap_PaymentsOfDebtIssuanceCosts" order="14" use="optional" weight="-1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromDebtNetOfIssuanceCosts" xlink:label="us-gaap_ProceedsFromDebtNetOfIssuanceCosts" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities_634593864744398090" xlink:to="us-gaap_ProceedsFromDebtNetOfIssuanceCosts" order="9" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_634593864744378088" xlink:to="us-gaap_GainsLossesOnExtinguishmentOfDebt" order="7.5" use="optional" weight="-1" priority="1" />
    <loc xlink:type="locator" xlink:href="tms-20120630.xsd#tms_BorrowingFromNoncontrollingInterest" xlink:label="tms_BorrowingFromNoncontrollingInterest" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities_634593864744398090" xlink:to="tms_BorrowingFromNoncontrollingInterest" order="2.5" use="optional" weight="1" priority="1" />
  </calculationLink>
  <calculationLink xlink:role="http://tmsinternationalcorp.com/role/StatementsOfConsolidatedComprehensiveIncomeLoss" xlink:type="extended" xlink:title="0120 - Statement - Statements of Consolidated Comprehensive Income (Loss) (Unaudited)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_634593864747198370" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_OtherComprehensiveIncomeLossNetOfTax" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_634593864747198370" xlink:to="loc_OtherComprehensiveIncomeLossNetOfTax" order="20" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProfitLoss" xlink:label="us-gaap_ProfitLoss_634593864747188369" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_634593864747198370" xlink:to="us-gaap_ProfitLoss_634593864747188369" order="40" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax" xlink:label="loc_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_OtherComprehensiveIncomeLossNetOfTax" xlink:to="loc_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax" order="20" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:label="loc_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_OtherComprehensiveIncomeLossNetOfTax" xlink:to="loc_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" order="40" use="optional" weight="1" priority="1" />
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/DebtTables" xlink:title="0506 - Disclosure - Debt (Tables)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/DebtDetails" xlink:title="0606 - Disclosure - Debt (Details)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/DebtDetails1" xlink:title="06061 - Disclosure - Debt (Details 1)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligations_634593864747408391" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="us-gaap_LongTermDebtNoncurrent_634593864747408391" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LongTermDebtAndCapitalLeaseObligations_634593864747408391" xlink:to="us-gaap_LongTermDebtNoncurrent_634593864747408391" order="40" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="us-gaap_LongTermDebtCurrent_634593864747398390" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LongTermDebtAndCapitalLeaseObligations_634593864747408391" xlink:to="us-gaap_LongTermDebtCurrent_634593864747398390" order="60" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LinesOfCreditCurrent" xlink:label="us-gaap_LinesOfCreditCurrent_634593864747398390" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LongTermDebtAndCapitalLeaseObligations_634593864747408391" xlink:to="us-gaap_LinesOfCreditCurrent_634593864747398390" order="80" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="tms-20120630.xsd#tms_LoansFromNoncontrollingInterests" xlink:label="tms_LoansFromNoncontrollingInterests" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LongTermDebtAndCapitalLeaseObligations_634593864747408391" xlink:to="tms_LoansFromNoncontrollingInterests" order="70" use="optional" weight="1" priority="1" />
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/DebtDetailsTextual" xlink:title="06062 - Disclosure - Debt (Details Textual)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/DerivativeFinancialInstrumentsAndFairValues" xlink:title="0207 - Disclosure - Derivative Financial Instruments and Fair Values" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/DerivativeFinancialInstrumentsAndFairValuesTables" xlink:title="0507 - Disclosure - Derivative Financial Instruments and Fair Values (Tables)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/DerivativeFinancialInstrumentsAndFairValuesDetails" xlink:title="0607 - Disclosure - Derivative Financial Instruments and Fair Values (Details)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/DerivativeFinancialInstrumentsAndFairValuesDetails1" xlink:title="06071 - Disclosure - Derivative Financial Instruments and Fair Values (Details 1)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/DerivativeFinancialInstrumentsAndFairValuesDetails2" xlink:title="06072 - Disclosure - Derivative Financial Instruments and Fair Values (Details 2)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/DerivativeFinancialInstrumentsAndFairValuesDetailsTextual" xlink:title="06073 - Disclosure - Derivative Financial Instruments and Fair Values (Details Textual)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/StockBasedCompensation" xlink:title="0209 - Disclosure - Stock Based Compensation" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/StockBasedCompensationTables" xlink:title="0509 - Disclosure - Stock Based Compensation (Tables)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/StockBasedCompensationDetails" xlink:title="0609 - Disclosure - Stock Based Compensation (Details)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/NatureOfOperationsDetailsTextual" xlink:title="0601 - Disclosure - Nature of Operations (Details Textual)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/EarningsPerShareDetails" xlink:title="0603 - Disclosure - Earnings per Share (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_634593864747318382" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:label="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_634593864747318382" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_634593864747318382" xlink:to="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_634593864747318382" order="20" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_634593864747318382" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_634593864747318382" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_634593864747318382" order="40" use="optional" weight="1" priority="1" />
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/BasisOfPresentationDetailsTextual" xlink:title="0602 - Disclosure - Basis of Presentation (Details Textual)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/InventoriesDetails" xlink:title="0604 - Disclosure - Inventories (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InventoryNet" xlink:label="us-gaap_InventoryNet_634593864747318382" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherInventoriesSpareParts" xlink:label="us-gaap_OtherInventoriesSpareParts_634593864747318382" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_InventoryNet_634593864747318382" xlink:to="us-gaap_OtherInventoriesSpareParts_634593864747318382" order="20" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherInventoryInTransit" xlink:label="us-gaap_OtherInventoryInTransit_634593864747318382" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_InventoryNet_634593864747318382" xlink:to="us-gaap_OtherInventoryInTransit_634593864747318382" order="40" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherInventoryScrap" xlink:label="us-gaap_OtherInventoryScrap_634593864747318382" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_InventoryNet_634593864747318382" xlink:to="us-gaap_OtherInventoryScrap_634593864747318382" order="60" use="optional" weight="1" priority="1" />
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/IncomeTaxesDetails" xlink:title="0605 - Disclosure - Income Taxes (Details Textual)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/FairValueOfFinancialInstruments" xlink:title="0212 - Disclosure - Fair Value of Financial Instruments" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/NatureOfOperations" xlink:title="0201 - Disclosure - Nature of Operations" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/BasisOfPresentation" xlink:title="0202 - Disclosure - Basis of Presentation" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/EarningsPerShare" xlink:title="0203 - Disclosure - Earnings per Share" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/Inventories" xlink:title="0204 - Disclosure - Inventories" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/IncomeTaxes" xlink:title="0205 - Disclosure - Income Taxes" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/Debt" xlink:title="0206 - Disclosure - Debt" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/OperatingSegments" xlink:title="0210 - Disclosure - Operating Segments" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/RetirementAndPensionPlans" xlink:title="0211 - Disclosure - Retirement and Pension Plans" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/StockBasedCompensationDetailsTextual" xlink:title="06092 - Disclosure - Stock Based Compensation (Details Textual)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/OperatingSegmentsDetails" xlink:title="0610 - Disclosure - Operating Segments (Details)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/OperatingSegmentsDetails1" xlink:title="06101 - Disclosure - Operating Segments (Details 1)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_634593864747538404" />
    <loc xlink:type="locator" xlink:href="tms-20120630.xsd#tms_ShareBasedCompensationAssociatedWithInitialPublicOffering" xlink:label="tms_ShareBasedCompensationAssociatedWithInitialPublicOffering_634593864747538404" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_634593864747538404" xlink:to="tms_ShareBasedCompensationAssociatedWithInitialPublicOffering_634593864747538404" order="10" use="optional" weight="-1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestIncomeExpenseNet" xlink:label="us-gaap_InterestIncomeExpenseNet_634593864747538404" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_634593864747538404" xlink:to="us-gaap_InterestIncomeExpenseNet_634593864747538404" order="5" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="us-gaap_DepreciationDepletionAndAmortization_634593864747538404" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_634593864747538404" xlink:to="us-gaap_DepreciationDepletionAndAmortization_634593864747538404" order="2.5" use="optional" weight="-1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_634593864747538404" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_634593864747538404" xlink:to="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_634593864747538404" order="1.25" use="optional" weight="1" priority="1" />
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/OperatingSegmentsDetailsTextual" xlink:title="06102 - Disclosure - Operating Segments (Details Textual)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/RetirementAndPensionPlansDetails" xlink:title="0611 - Disclosure - Retirement and Pension Plans (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:label="us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_634593864747558406" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MultiemployerPlanPeriodContributions" xlink:label="us-gaap_MultiemployerPlanPeriodContributions_634593864747558406" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_634593864747558406" xlink:to="us-gaap_MultiemployerPlanPeriodContributions_634593864747558406" order="20" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DefinedBenefitPlanContributionsByEmployer" xlink:label="us-gaap_DefinedBenefitPlanContributionsByEmployer_634593864747558406" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_634593864747558406" xlink:to="us-gaap_DefinedBenefitPlanContributionsByEmployer_634593864747558406" order="10" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfNetGainsLosses" xlink:label="us-gaap_DefinedBenefitPlanAmortizationOfNetGainsLosses_634593864747558406" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_634593864747558406" xlink:to="us-gaap_DefinedBenefitPlanAmortizationOfNetGainsLosses_634593864747558406" order="5" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:label="us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_634593864747558406" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_634593864747558406" xlink:to="us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_634593864747558406" order="2.5" use="optional" weight="-1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost" xlink:label="us-gaap_DefinedBenefitPlanInterestCost_634593864747558406" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_634593864747558406" xlink:to="us-gaap_DefinedBenefitPlanInterestCost_634593864747558406" order="1.25" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DefinedBenefitPlanServiceCost" xlink:label="us-gaap_DefinedBenefitPlanServiceCost_634593864747548405" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_634593864747558406" xlink:to="us-gaap_DefinedBenefitPlanServiceCost_634593864747548405" order="0.625" use="optional" weight="1" priority="1" />
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/FairValueOfFinancialInstrumentsDetails" xlink:title="0612 - Disclosure - Fair Value of Financial Instruments (Details)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/CommitmentsAndContingenciesDetails" xlink:title="0613 - Disclosure - Commitments and Contingencies (Details)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/BusinessCombinationsDetails" xlink:title="0614 - Disclosure - Business Combinations (Details)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/CommercialArbitrationAwardDetails" xlink:title="0615 - Disclosure - Commercial Arbitration Award (Details)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/RelatedPartyTransactionsDetails" xlink:title="0616 - Disclosure - Related Party Transactions (Details)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/StockholdersEquityDeficit" xlink:title="0208 - Disclosure - Stockholders Equity (Deficit)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/StockholdersEquityDeficitDetailsTextual" xlink:title="0608 - Disclosure - Stockholders' Equity (Deficit) (Details)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/StockBasedCompensationDetails1" xlink:title="06091 - Disclosure - Stock Based Compensation (Details 1)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/DocumentAndEntityInformation" xlink:title="00 - Document - Document and Entity Information" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/DisclosureInventoriesTables" xlink:title="0504 - Disclosure - Inventories (Tables)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/CondensedConsolidatedBalanceSheetsParenthetical" xlink:title="0131 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/ConsolidatedStatementsOfChangesInStockholdersEquityDeficit" xlink:title="0150 - Statement - Consolidated Statements of Changes in Stockholders' Equity (Deficit) (Unaudited)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/CommitmentsAndContingencies" xlink:title="0213 - Disclosure - Commitments and Contingencies" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/BusinessCombinations" xlink:title="0214 - Disclosure - Business Combinations" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/CommercialArbitrationAward" xlink:title="0215 - Disclosure - Commercial Arbitration Award" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/RelatedPartyTransactions" xlink:title="0216 - Disclosure - Related-Party Transactions" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/RecentAccountingPronouncements" xlink:title="0217 - Disclosure - Recent Accounting Pronouncements" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/DisclosureEarningsPerShareTables" xlink:title="0503 - Disclosure - Earnings Per Share (Tables)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/DisclosureOperatingSegmentsTables" xlink:title="0510 - Disclosure - Operating Segments (Tables)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/DisclosureRetirementAndPensionPlansTables" xlink:title="0511 - Disclosure - Retirement and Pension Plans (Tables)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/DisclosureFairValueOfFinancialInstrumentsTables" xlink:title="0512 - Disclosure - Fair Value of Financial Instruments (Tables)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/InventoriesDetailsTextual" xlink:title="06041 - Disclosure - Inventories (Details Textual)" />
  <calculationLink xlink:type="extended" xlink:role="http://tmsinternationalcorp.com/role/RetirementAndPensionPlansDetailsTextual" xlink:title="06111 - Disclosure - Retirement and Pension Plans (Details Textual)" />
</linkbase>
