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  <xsd:element name="BusinessAcquisitionsProformaWeightedAverageSharesOutstandingBasic" id="tpcs_BusinessAcquisitionsProformaWeightedAverageSharesOutstandingBasic" type="xbrli:sharesItemType" 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="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="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipmentIncludingRightOfUseAssets" id="tpcs_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipmentIncludingRightOfUseAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventoryAndOtherCurrentAsset" id="tpcs_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventoryAndOtherCurrentAsset" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <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="ReductionInInterestExpenseDueToReductionInBankDebtAndInterestRates" id="tpcs_ReductionInInterestExpenseDueToReductionInBankDebtAndInterestRates" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
</xsd:schema>
