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	<link:linkbaseRef xlink:type="simple" xlink:href="esp-20130630_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Label Links" />
	<link:linkbaseRef xlink:type="simple" xlink:href="esp-20130630_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Calculation Links" />
	<link:linkbaseRef xlink:type="simple" xlink:href="esp-20130630_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Definition Links" />
      </appinfo>
    </annotation>
    <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
    <import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
    <import namespace="http://xbrl.sec.gov/dei/2013-01-31" schemaLocation="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd" />
    <import namespace="http://fasb.org/us-gaap/2013-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd" />
    <import namespace="http://fasb.org/us-types/2013-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2013/elts/us-types-2013-01-31.xsd" />
    <import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" />
    <import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" />
    <element id="esp_TwoThousandSevenPlanMember" name="TwoThousandSevenPlanMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="esp_TwoThousandPlanMember" name="TwoThousandPlanMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="esp_UnearnedESOPSharesMember" name="UnearnedESOPSharesMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="esp_CustomerConcentrationRiskForeignMember" name="CustomerConcentrationRiskForeignMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="esp_EmployeeStockOwnershipPlanMember" name="EmployeeStockOwnershipPlanMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="esp_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_EntityListingClosingPricePerShare" name="EntityListingClosingPricePerShare" nillable="true" xbrli:periodType="instant" type="num:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="esp_TotalStockholdersEquityBeforyEsopAndTreasuryStock" name="TotalStockholdersEquityBeforyEsopAndTreasuryStock" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="esp_NatureOfOperationsAbstract" name="NatureOfOperationsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_SummaryOfSignificantAccountingPoliciesAbstract" name="SummaryOfSignificantAccountingPoliciesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_InvestmentInFairValueAbstract" name="InvestmentInFairValueAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_SignificantCustomersAbstract" name="SignificantCustomersAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_SignificantCustomersTextBlock" name="SignificantCustomersTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="esp_StockRightsPlanAbstract" name="StockRightsPlanAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_StockRightsPlanTextBlock" name="StockRightsPlanTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="esp_EmployeeStockOwnershipPlanAbstract" name="EmployeeStockOwnershipPlanAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_EmployeeStockOwnershipPlanTextBlock" name="EmployeeStockOwnershipPlanTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="esp_StockbasedCompensationAbstract" name="StockbasedCompensationAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_FinancialInstrumentsconcentrationOfCreditRiskAbstract" name="FinancialInstrumentsconcentrationOfCreditRiskAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_InventoryValuationCostEstimationAndRevenueRecognitionPolicyTextBlock" name="InventoryValuationCostEstimationAndRevenueRecognitionPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="esp_InvestmentTaxCreditsPolicyTextBlock" name="InvestmentTaxCreditsPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="esp_SummaryOfSignificantAccountingPoliciesTablesAbstract" name="SummaryOfSignificantAccountingPoliciesTablesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_ScheduleOfPropertyPlantAndEquipmentTableTextBlock" name="ScheduleOfPropertyPlantAndEquipmentTableTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="esp_InvestmentInFairValueTablesAbstract" name="InvestmentInFairValueTablesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_ContractsInProcessTablesAbstract" name="ContractsInProcessTablesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_ScheduleOfContractsInProcessTableTextBlock" name="ScheduleOfContractsInProcessTableTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="esp_PropertyPlantAndEquipmentTablesAbstract" name="PropertyPlantAndEquipmentTablesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_ProvisionForIncomeTaxesTablesAbstract" name="ProvisionForIncomeTaxesTablesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_EmployeeStockOwnershipPlanTablesAbstract" name="EmployeeStockOwnershipPlanTablesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_StockbasedCompensationTablesAbstract" name="StockbasedCompensationTablesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_StockholdersEquityTablesAbstract" name="StockholdersEquityTablesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_ScheduleOfReservedCommonSharesForFutureIssuanceTableTextBlock" name="ScheduleOfReservedCommonSharesForFutureIssuanceTableTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="esp_QuarterlyFinancialInformationUnauditedTablesAbstract" name="QuarterlyFinancialInformationUnauditedTablesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_SummaryOfSignificantAccountingPoliciesDetailsNarrativeAbstract" name="SummaryOfSignificantAccountingPoliciesDetailsNarrativeAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_SummaryOfSignificantAccountingPoliciesDetailsAbstract" name="SummaryOfSignificantAccountingPoliciesDetailsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_InvestmentInFairValueDetailsAbstract" name="InvestmentInFairValueDetailsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_InvestmentInFairValueDetails1Abstract" name="InvestmentInFairValueDetails1Abstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_YearsToMaturityAbstract" name="YearsToMaturityAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_ContractsInProcessDetailsNarrativeAbstract" name="ContractsInProcessDetailsNarrativeAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_ContractsInProcessDetailsAbstract" name="ContractsInProcessDetailsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_GrossContractValue" name="GrossContractValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="esp_PropertyPlantAndEquipmentDetailsAbstract" name="PropertyPlantAndEquipmentDetailsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_PensionExpenseDetailsNarrativeAbstract" name="PensionExpenseDetailsNarrativeAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_IncreaseInContributionHourlyRate" name="IncreaseInContributionHourlyRate" nillable="true" xbrli:periodType="duration" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" />
    <element id="esp_PercentageOfContributionsGreaterThanTotalContributions" name="PercentageOfContributionsGreaterThanTotalContributions" nillable="true" xbrli:periodType="duration" type="num:percentItemType" substitutionGroup="xbrli:item" />
    <element id="esp_DefinedContributionPlanEmployersMatchingContribution" name="DefinedContributionPlanEmployersMatchingContribution" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="esp_ProvisionForIncomeTaxesDetailsAbstract" name="ProvisionForIncomeTaxesDetailsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_ProvisionForIncomeTaxesDetails1Abstract" name="ProvisionForIncomeTaxesDetails1Abstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_IncreaseReductionInRateResultingFromAbstract" name="IncreaseReductionInRateResultingFromAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_EffectiveIncomeTaxRateReconciliationESOPFairValue" name="EffectiveIncomeTaxRateReconciliationESOPFairValue" nillable="true" xbrli:periodType="duration" type="num:percentItemType" substitutionGroup="xbrli:item" />
    <element id="esp_ProvisionForIncomeTaxesDetails2Abstract" name="ProvisionForIncomeTaxesDetails2Abstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_SignificantCustomersDetailsNarrativeAbstract" name="SignificantCustomersDetailsNarrativeAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_ExportSales" name="ExportSales" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="esp_ConcentrationRiskNumberOfCustomers" name="ConcentrationRiskNumberOfCustomers" nillable="true" xbrli:periodType="duration" type="xbrli:integerItemType" substitutionGroup="xbrli:item" />
    <element id="esp_StockRightsPlanDetailsNarrativeAbstract" name="StockRightsPlanDetailsNarrativeAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_DescriptionOfPlan" name="DescriptionOfPlan" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_ExpirationDateOfPlan" name="ExpirationDateOfPlan" nillable="true" xbrli:periodType="duration" type="xbrli:dateTimeItemType" substitutionGroup="xbrli:item" />
    <element id="esp_NumberOfSharesEachRightGiveHolderRightToPurchase" name="NumberOfSharesEachRightGiveHolderRightToPurchase" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="esp_BeneficialOwnershipPercentage" name="BeneficialOwnershipPercentage" nillable="true" xbrli:periodType="instant" type="num:percentItemType" substitutionGroup="xbrli:item" />
    <element id="esp_SaleOfAssetsOrEarningPowerToAnotherPersonWhereRightsBecomeExercisablePercentage" name="SaleOfAssetsOrEarningPowerToAnotherPersonWhereRightsBecomeExercisablePercentage" nillable="true" xbrli:periodType="instant" type="num:percentItemType" substitutionGroup="xbrli:item" />
    <element id="esp_EmployeeStockOwnershipPlanDetailsNarrativeAbstract" name="EmployeeStockOwnershipPlanDetailsNarrativeAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_EmployeeStockOwnershipPlanHoursWorked" name="EmployeeStockOwnershipPlanHoursWorked" nillable="true" xbrli:periodType="duration" type="xbrli:integerItemType" substitutionGroup="xbrli:item" />
    <element id="esp_EmployeeStockOwnershipPlanDetailsAbstract" name="EmployeeStockOwnershipPlanDetailsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_StockbasedCompensationDetailsNarrativeAbstract" name="StockbasedCompensationDetailsNarrativeAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_DeferredTaxBenefitRelatedToUnrecognizedCompensationCosts" name="DeferredTaxBenefitRelatedToUnrecognizedCompensationCosts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="esp_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGranted" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGranted" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="esp_StockbasedCompensationDetailsAbstract" name="StockbasedCompensationDetailsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_WeightedAverageAssumptionsAbstract" name="WeightedAverageAssumptionsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_StockbasedCompensationDetails1Abstract" name="StockbasedCompensationDetails1Abstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_NumberOfSharesSubjectToOptionAbstract" name="NumberOfSharesSubjectToOptionAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_WeightAverageExercisePriceAbstract" name="WeightAverageExercisePriceAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_WeightedAverageRemainingContractualTermAbstract" name="WeightedAverageRemainingContractualTermAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodContractualTerm" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodContractualTerm" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="esp_AggregateIntrinsicValueAbstract" name="AggregateIntrinsicValueAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_AverageGrantDateFairValueAbstract" name="AverageGrantDateFairValueAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_WeightedAverageNumberOfSharesSubjectToOptionAbstract" name="WeightedAverageNumberOfSharesSubjectToOptionAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_FinancialInstrumentsconcentrationOfCreditRiskDetailsNarrativeAbstract" name="FinancialInstrumentsconcentrationOfCreditRiskDetailsNarrativeAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_StockholdersEquityDetailsAbstract" name="StockholdersEquityDetailsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_StockholdersEquityDetails1Abstract" name="StockholdersEquityDetails1Abstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_NumeratorAbstract" name="NumeratorAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_DenominatorAbstract" name="DenominatorAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="esp_QuarterlyFinancialInformationDetailsAbstract" name="QuarterlyFinancialInformationDetailsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
</schema>
