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  <xsd:element id="tpcs_DefenseMember" name="DefenseMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="tpcs_AdjustmentsProgressPaymentsReceivableMember" name="AdjustmentsProgressPaymentsReceivableMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="tpcs_DebtInstrumentPercentageOfAppraisedValueOfEquipmentForDeterminationOfAggregateAmountOfAdvances" name="DebtInstrumentPercentageOfAppraisedValueOfEquipmentForDeterminationOfAggregateAmountOfAdvances" nillable="true" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="tpcs_TaxYears2007ToCurrentMember" name="TaxYears2007ToCurrentMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="tpcs_TaxYears2006AndPriorMember" name="TaxYears2006AndPriorMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="tpcs_SmallBusinessAdministrationPaycheckProtectionProgramLoanMember" name="SmallBusinessAdministrationPaycheckProtectionProgramLoanMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="tpcs_RevolverLoanMember" name="RevolverLoanMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="tpcs_StadcoAcquisitionLlcMember" name="StadcoAcquisitionLlcMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="tpcs_AcquisitionSubMember" name="AcquisitionSubMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="tpcs_ServiceBasedRestrictedStockOneMember" name="ServiceBasedRestrictedStockOneMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="tpcs_ServiceBasedRestrictedStockTwoMember" name="ServiceBasedRestrictedStockTwoMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="tpcs_LesseeFinanceLeaseMonthlyPayments" name="LesseeFinanceLeaseMonthlyPayments" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="tpcs_AmendedAndRestatedLoanPurchaseAndSaleAgreementMember" name="AmendedAndRestatedLoanPurchaseAndSaleAgreementMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="tpcs_DebtInstrumentForgivenessInterestAmount" name="DebtInstrumentForgivenessInterestAmount" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element name="ProceedsFromTermLoan" id="tpcs_ProceedsFromTermLoan" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="HoldcoMember" id="tpcs_HoldcoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="HoldersOfCertainOtherNonBankIndebtnessMember" id="tpcs_HoldersOfCertainOtherNonBankIndebtnessMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OtherSecurityHoldersMember" id="tpcs_OtherSecurityHoldersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RanorTermLoanMember" id="tpcs_RanorTermLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FederalHomeLoanBankOfBostonClassicAdvanceRateMember" id="tpcs_FederalHomeLoanBankOfBostonClassicAdvanceRateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LateChargeFeePercentage" id="tpcs_LateChargeFeePercentage" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="DefaultInterestRate" id="tpcs_DefaultInterestRate" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="NoncashRightOfUseAssetAndLiability" id="tpcs_NoncashRightOfUseAssetAndLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="LeaseOfLesseeDisclosureTextBlock" id="tpcs_LeaseOfLesseeDisclosureTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="BusinessAcquisitionsProformaWeightedAverageSharesOutstandingDiluted" id="tpcs_BusinessAcquisitionsProformaWeightedAverageSharesOutstandingDiluted" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="BusinessAcquisitionsProformaOperatingIncomeLoss" id="tpcs_BusinessAcquisitionsProformaOperatingIncomeLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="AccruedContingentConsiderationCurrent" id="tpcs_AccruedContingentConsiderationCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="BusinessAcquisitionsProformaNetSales" id="tpcs_BusinessAcquisitionsProformaNetSales" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="SecuritiesPurchaseAgreementMember" id="tpcs_SecuritiesPurchaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="StockIssuedDuringPeriodValuePrivatePlacementNet" id="tpcs_StockIssuedDuringPeriodValuePrivatePlacementNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="StockIssuedDuringPeriodSharesPrivatePlacementNet" id="tpcs_StockIssuedDuringPeriodSharesPrivatePlacementNet" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="BusinessAcquisitionNetOfCashAcquired" id="tpcs_BusinessAcquisitionNetOfCashAcquired" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="RightOfUseAsset" id="tpcs_RightOfUseAsset" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="LeaseLiability" id="tpcs_LeaseLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="StadcoTermLoanAt3.79InterestDueAugust2028Member" id="tpcs_StadcoTermLoanAt3.79InterestDueAugust2028Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="StadcoTermLoanAt3.79PercentInterestDueAugust2028Member" id="tpcs_StadcoTermLoanAt3.79PercentInterestDueAugust2028Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipmentIncludingRightOfUseAssets" id="tpcs_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipmentIncludingRightOfUseAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="LeaseLiabilityCurrent" id="tpcs_LeaseLiabilityCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="OtherLeaseAssetsAndLeaseLiabilities" id="tpcs_OtherLeaseAssetsAndLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="SharesToBePurchasedPursuantToAgreements" id="tpcs_SharesToBePurchasedPursuantToAgreements" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="SecuritiesOfferingCosts" id="tpcs_SecuritiesOfferingCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="NonrefundableCommitmentFeePercentages" id="tpcs_NonrefundableCommitmentFeePercentages" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="StockIssuedForFinderFee" id="tpcs_StockIssuedForFinderFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="StockIssuedSharesForFinderFee" id="tpcs_StockIssuedSharesForFinderFee" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="TaxYearsPriorToTwoThousandTwentyOneMember" id="tpcs_TaxYearsPriorToTwoThousandTwentyOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PrepaidAdvisoryFeesOther" id="tpcs_PrepaidAdvisoryFeesOther" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="CapitalExpendituresFromPurchaseOfFixedAssets" id="tpcs_CapitalExpendituresFromPurchaseOfFixedAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="StadcoTermLoanAt2.25InterestDueAugust2028Member" id="tpcs_StadcoTermLoanAt2.25InterestDueAugust2028Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CashFlowRatioOfDebtService" id="tpcs_CashFlowRatioOfDebtService" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ErcRefundableCredits" id="tpcs_ErcRefundableCredits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="NontaxablePppLoanForgiveness" id="tpcs_NontaxablePppLoanForgiveness" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="NondeductibleItemsRelatedToDissolvedForeignEntity" id="tpcs_NondeductibleItemsRelatedToDissolvedForeignEntity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ErtcRefundableCreditMember" id="tpcs_ErtcRefundableCreditMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CustomerClaimMember" id="tpcs_CustomerClaimMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OtherAdjustmentsMember" id="tpcs_OtherAdjustmentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ScheduleOfEstimatedFairValueOfFinancialInstrumentsTableTextBlock" id="tpcs_ScheduleOfEstimatedFairValueOfFinancialInstrumentsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ReportedAmountMember" id="tpcs_ReportedAmountMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityInitialMeasurementAtFairValue" id="tpcs_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityInitialMeasurementAtFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="FixedAssetValuationMember" id="tpcs_FixedAssetValuationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AdditionalCostsAccrued" id="tpcs_AdditionalCostsAccrued" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="GainLossFromContingentConsideration" id="tpcs_GainLossFromContingentConsideration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="FinanceLeaseLiabilityImputedInterest" id="tpcs_FinanceLeaseLiabilityImputedInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="FinanceLeaseLiabilities" id="tpcs_FinanceLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="EmployeeRetentionCreditRefund" id="tpcs_EmployeeRetentionCreditRefund" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="StockIssuedDuringPeriodValueContingentConsideration" id="tpcs_StockIssuedDuringPeriodValueContingentConsideration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="StockIssuedDuringPeriodSharesContingentConsideration" id="tpcs_StockIssuedDuringPeriodSharesContingentConsideration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="EmployeeRetentionCreditRefundsAndPaycheckProtectionProgramLoanForgiveness" id="tpcs_EmployeeRetentionCreditRefundsAndPaycheckProtectionProgramLoanForgiveness" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="PaycheckProtectionProgramLoanForgiveness" id="tpcs_PaycheckProtectionProgramLoanForgiveness" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="OtherIncomeAndExpense" id="tpcs_OtherIncomeAndExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="Customers.Member" id="tpcs_Customers.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CustomerCDMember" id="tpcs_CustomerCDMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RanorTermLoanAt6.05InterestDueDecember2027Member" id="tpcs_RanorTermLoanAt6.05InterestDueDecember2027Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PaymentArrangementAgreementWithDepartmentOfWaterAndPowerOfCityOfLosAngelesMember" id="tpcs_PaymentArrangementAgreementWithDepartmentOfWaterAndPowerOfCityOfLosAngelesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RequiredMinimumDebtServiceCoverageRatio" id="tpcs_RequiredMinimumDebtServiceCoverageRatio" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="AggregateDelinquentAndUnpaidOutstandingAmountsForWaterWaterServiceElectricEnergyAndOrElectricService" id="tpcs_AggregateDelinquentAndUnpaidOutstandingAmountsForWaterWaterServiceElectricEnergyAndOrElectricService" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="PaymentArrangementAgreementMonthlyInstalmentsPayable" id="tpcs_PaymentArrangementAgreementMonthlyInstalmentsPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="PaymentArrangementAgreementAnnualLatePaymentChargePercentage" id="tpcs_PaymentArrangementAgreementAnnualLatePaymentChargePercentage" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="AggregateDelinquentAndUnpaidOutstandingAmountsForWaterWaterServiceElectricEnergyAndOrElectricServiceCurrent" id="tpcs_AggregateDelinquentAndUnpaidOutstandingAmountsForWaterWaterServiceElectricEnergyAndOrElectricServiceCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="AggregateDelinquentAndUnpaidOutstandingAmountsForWaterWaterServiceElectricEnergyAndOrElectricServiceNoncurrent" id="tpcs_AggregateDelinquentAndUnpaidOutstandingAmountsForWaterWaterServiceElectricEnergyAndOrElectricServiceNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="RisksAndUncertaintiesPolicyPolicyTextBlock" id="tpcs_RisksAndUncertaintiesPolicyPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="RanorRevolverLoanDueDecember2023Member" id="tpcs_RanorRevolverLoanDueDecember2023Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AdvancesToEmployee" id="tpcs_AdvancesToEmployee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DepositsCurrent" id="tpcs_DepositsCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="StockSplitFractionalShareRoundUpInShares" id="tpcs_StockSplitFractionalShareRoundUpInShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="BasisOfPresentationAndSignificantAccountingPoliciesTable" id="tpcs_BasisOfPresentationAndSignificantAccountingPoliciesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="BasisOfPresentationAndSignificantAccountingPoliciesLineItems" id="tpcs_BasisOfPresentationAndSignificantAccountingPoliciesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriodToEachIndividual" id="tpcs_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriodToEachIndividual" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="OtherAdjustmentToCreditLiability" id="tpcs_OtherAdjustmentToCreditLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="BusinessAcquisitionsProformaWeightedAverageShareOutstandingBasic" id="tpcs_BusinessAcquisitionsProformaWeightedAverageShareOutstandingBasic" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="StockBasedExpenseForContingentConsideration" id="tpcs_StockBasedExpenseForContingentConsideration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="CashFlowToTotalDebtService" id="tpcs_CashFlowToTotalDebtService" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="RanorRevolverLoanAt6.93InterestDueDecember2023Member" id="tpcs_RanorRevolverLoanAt6.93InterestDueDecember2023Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OneSupplierMember" id="tpcs_OneSupplierMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TwoSupplierMember" id="tpcs_TwoSupplierMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FairValuesMember" id="tpcs_FairValuesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="MaximumSpendingLimitOnMachineryAndEquipment" id="tpcs_MaximumSpendingLimitOnMachineryAndEquipment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
</xsd:schema>
