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  <xsd:element abstract="true" id="sgrp_CostPlusFeeMember" name="CostPlusFeeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="sgrp_CreditAndDebtFacilitiesUnusedAvailabilityTableTextBlock" name="CreditAndDebtFacilitiesUnusedAvailabilityTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_DocumentAndEntityInformation" name="DocumentAndEntityInformation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_DomesticFieldManagementMember" name="DomesticFieldManagementMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_DomesticMerchandisingSpecialistsFieldForceMember" name="DomesticMerchandisingSpecialistsFieldForceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_EmployeeStockPurchasePlanMember" name="EmployeeStockPurchasePlanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_FieldAdministrationExpensesSasMember" name="FieldAdministrationExpensesSasMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_FieldManagementServicesNDSTanitimMember" name="FieldManagementServicesNDSTanitimMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_FieldMerchandiserServicesNDSReklamMember" name="FieldMerchandiserServicesNDSReklamMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_FieldMerchandiserServicesNrsMember" name="FieldMerchandiserServicesNrsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_FieldMerchandiserServicesSBSMember" name="FieldMerchandiserServicesSBSMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_InterbankInterestRateMember" name="InterbankInterestRateMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_InternationalMember" name="InternationalMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_LeaseArrangementWithMcptMember" name="LeaseArrangementWithMcptMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="sgrp_LineOfCreditFacilityCovenantTermsMaximumCapitalExpenditures" name="LineOfCreditFacilityCovenantTermsMaximumCapitalExpenditures" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="sgrp_LineOfCreditFacilityCovenantTermsMaximumConsolidatedIndebtednessToTangibleNetWorthRatio" name="LineOfCreditFacilityCovenantTermsMaximumConsolidatedIndebtednessToTangibleNetWorthRatio" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="instant"/>
  <xsd:element id="sgrp_LineOfCreditFacilityCovenantTermsMaximumIndebtednessToTangibleNetWorthRatio" name="LineOfCreditFacilityCovenantTermsMaximumIndebtednessToTangibleNetWorthRatio" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="instant"/>
  <xsd:element id="sgrp_LineOfCreditFacilityCovenantTermsMinimumConsolidatedTangibleNetWorth" name="LineOfCreditFacilityCovenantTermsMinimumConsolidatedTangibleNetWorth" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="sgrp_LineOfCreditFacilityCovenantTermsMinimumFixedChargeCoverageRatio" name="LineOfCreditFacilityCovenantTermsMinimumFixedChargeCoverageRatio" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="instant"/>
  <xsd:element id="sgrp_LineOfCreditFacilityCovenantTermsMinimumTangibleNetWorth" name="LineOfCreditFacilityCovenantTermsMinimumTangibleNetWorth" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="sgrp_LineOfCreditFacilityCovenantTermsPercentOfIncreaseInNetProfit" name="LineOfCreditFacilityCovenantTermsPercentOfIncreaseInNetProfit" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration"/>
  <xsd:element id="sgrp_MajorityInterestOwnershipPercentageByParent" name="MajorityInterestOwnershipPercentageByParent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="sgrp_MerholdHoldingTrustMember" name="MerholdHoldingTrustMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_MizuhoBankMember" name="MizuhoBankMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_MrAndMsYilmazMember" name="MrAndMsYilmazMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_MrBrianMasonMrGarryBristowAndMrAdrianWingfieldMember" name="MrBrianMasonMrGarryBristowAndMrAdrianWingfieldMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_MrBristowMember" name="MrBristowMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_MrJuanFMedinaDomenzainMember" name="MrJuanFMedinaDomenzainMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_MrMasonMember" name="MrMasonMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_MrWingfieldMember" name="MrWingfieldMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_NDSMember" name="NDSMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_NRSMember" name="NRSMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_NoteToFinancialStatementDetailsTextual" name="NoteToFinancialStatementDetailsTextual" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_NotesToFinancialStatements" name="NotesToFinancialStatements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_NotesToFinancialStatementsAbstract" name="NotesToFinancialStatementsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element id="sgrp_NumberOfMerchandisingSpecialists" name="NumberOfMerchandisingSpecialists" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"/>
  <xsd:element id="sgrp_NumberOfNationalRegionalAndDistrictAdministrators" name="NumberOfNationalRegionalAndDistrictAdministrators" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"/>
  <xsd:element id="sgrp_NumberOfVehiclesLeased" name="NumberOfVehiclesLeased" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"/>
  <xsd:element id="sgrp_NumberOfVehiclesSubleased" name="NumberOfVehiclesSubleased" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_OfficeAndVehicleRentalMPTMember" name="OfficeAndVehicleRentalMPTMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_OfficeAndVehicleRentalMhtMember" name="OfficeAndVehicleRentalMhtMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_OtherComprehensiveLossAbstract" name="OtherComprehensiveLossAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_OxfordFundingPtyLtdMember" name="OxfordFundingPtyLtdMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="sgrp_PercentOfEligibleDomesticAccountsReceivableLessCertainReservesToCalculateBorrowingAvailability" name="PercentOfEligibleDomesticAccountsReceivableLessCertainReservesToCalculateBorrowingAvailability" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant"/>
  <xsd:element id="sgrp_PercentOfServiceProvidedByRelatedParty" name="PercentOfServiceProvidedByRelatedParty" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_Plus2CompensationMember" name="Plus2CompensationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="sgrp_PreferredStockNumberOfAuthorizedSharesRemaining" name="PreferredStockNumberOfAuthorizedSharesRemaining" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant"/>
  <xsd:element id="sgrp_ReconciliationOfLongLivedAssetsFromSegmentsToConsolidatedTableTextBlock" name="ReconciliationOfLongLivedAssetsFromSegmentsToConsolidatedTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element id="sgrp_RelatedPartyAccruedExpensesTableTextBlock" name="RelatedPartyAccruedExpensesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element id="sgrp_RelatedPartyOwnershipPercentage" name="RelatedPartyOwnershipPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_SBSMember" name="SBSMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_SPARTodopromoMember" name="SPARTodopromoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_SasMember" name="SasMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_SbsAndSasMember" name="SbsAndSasMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_ServicesProvidedByAffiliatesAbstract" name="ServicesProvidedByAffiliatesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_SterlingCreditFacilityMember" name="SterlingCreditFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_The2008PlanMember" name="The2008PlanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_VehicleRentalMCPTMember" name="VehicleRentalMCPTMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_statement-statement-note-3-basic-and-diluted-earnings-per-share-details" name="statement-statement-note-3-basic-and-diluted-earnings-per-share-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_statement-statement-note-3-earnings-per-share-tables" name="statement-statement-note-3-earnings-per-share-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_statement-statement-note-4-credit-facilities-tables" name="statement-statement-note-4-credit-facilities-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_statement-statement-note-4-summary-of-credit-and-other-debt-facilities-details" name="statement-statement-note-4-summary-of-credit-and-other-debt-facilities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_statement-statement-note-4-unused-availability-details" name="statement-statement-note-4-unused-availability-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_statement-statement-note-5-accrued-expenses-details" name="statement-statement-note-5-accrued-expenses-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_statement-statement-note-5-relatedparty-transactions-tables" name="statement-statement-note-5-relatedparty-transactions-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_statement-statement-note-5-transactions-between-the-company-and-affiliates-details" name="statement-statement-note-5-transactions-between-the-company-and-affiliates-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_statement-statement-note-9-assets-details" name="statement-statement-note-9-assets-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_statement-statement-note-9-geographic-data-details" name="statement-statement-note-9-geographic-data-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_statement-statement-note-9-long-lived-assets-details" name="statement-statement-note-9-long-lived-assets-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_statement-statement-note-9-segment-information-tables" name="statement-statement-note-9-segment-information-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgrp_statement-statement-note-9-segment-reporting-information-details" name="statement-statement-note-9-segment-reporting-information-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
</xsd:schema>