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    <link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_615AD88C2C8B667EF26E7A833C89256A_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_615AD88C2C8B667EF26E7A833C89256A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basis spread on variable rate</link:label>
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    <link:label id="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_A647CF890B3FEF6F8E787A833C89CC56_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_A647CF890B3FEF6F8E787A833C89CC56" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest rate</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_A647CF890B3FEF6F8E787A833C89CC56_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_A647CF890B3FEF6F8E787A833C89CC56" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Interest Rate, Effective Percentage</link:label>
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    <link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_32CA04428F33AC903BB97A833C890815_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_32CA04428F33AC903BB97A833C890815" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease agreement, principal amount</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_32CA04428F33AC903BB97A833C890815_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_32CA04428F33AC903BB97A833C890815" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_32CA04428F33AC903BB97A833C890815" xlink:type="locator" />
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    <link:label id="lab_oesx_DebtInstrumentBuyoutOption_3427660E46F14C503A2E7A833C895949_terseLabel_en-US" xlink:label="lab_oesx_DebtInstrumentBuyoutOption_3427660E46F14C503A2E7A833C895949" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net equipment lease obligation buyout option</link:label>
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    <link:loc xlink:href="oesx-20171231.xsd#oesx_DebtInstrumentBuyoutOption" xlink:label="loc_oesx_DebtInstrumentBuyoutOption_3427660E46F14C503A2E7A833C895949" xlink:type="locator" />
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    <link:label id="lab_us-gaap_SecuredDebt_74EB52526641FA52FC9A7A833C8967F7_terseLabel_en-US" xlink:label="lab_us-gaap_SecuredDebt_74EB52526641FA52FC9A7A833C8967F7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Principal amount of secured debt</link:label>
    <link:label id="lab_us-gaap_SecuredDebt_74EB52526641FA52FC9A7A833C8967F7_label_en-US" xlink:label="lab_us-gaap_SecuredDebt_74EB52526641FA52FC9A7A833C8967F7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Secured Debt</link:label>
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    <link:loc xlink:href="oesx-20171231.xsd#oesx_CustomerEquipmentFinanceNotesPayableMember" xlink:label="loc_oesx_CustomerEquipmentFinanceNotesPayableMember_B78363F27977595FADC21AA84D222F10" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oesx_CustomerEquipmentFinanceNotesPayableMember_B78363F27977595FADC21AA84D222F10" xlink:to="lab_oesx_CustomerEquipmentFinanceNotesPayableMember_B78363F27977595FADC21AA84D222F10" xlink:type="arc" />
    <link:label id="lab_oesx_OtherLongTermDebtMember_3D5520F2B201650B14E37581243CE329_verboseLabel_en-US" xlink:label="lab_oesx_OtherLongTermDebtMember_F1F26183C64E5FD99C0F61835269F488" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other long-term debt</link:label>
    <link:label id="lab_oesx_OtherLongTermDebtMember_3D5520F2B201650B14E37581243CE329_label_en-US" xlink:label="lab_oesx_OtherLongTermDebtMember_F1F26183C64E5FD99C0F61835269F488" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Long Term Debt [Member]</link:label>
    <link:label id="lab_oesx_OtherLongTermDebtMember_3D5520F2B201650B14E37581243CE329_documentation_en-US" xlink:label="lab_oesx_OtherLongTermDebtMember_F1F26183C64E5FD99C0F61835269F488" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other long term debt.</link:label>
    <link:loc xlink:href="oesx-20171231.xsd#oesx_OtherLongTermDebtMember" xlink:label="loc_oesx_OtherLongTermDebtMember_F1F26183C64E5FD99C0F61835269F488" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oesx_OtherLongTermDebtMember_F1F26183C64E5FD99C0F61835269F488" xlink:to="lab_oesx_OtherLongTermDebtMember_F1F26183C64E5FD99C0F61835269F488" xlink:type="arc" />
    <link:label id="lab_us-gaap_ExtinguishmentOfDebtLineItems_7DD063786A26483C19BB7581243CF0A9_terseLabel_en-US" xlink:label="lab_us-gaap_ExtinguishmentOfDebtLineItems_39C45E2A010D5578A69309E1DBC47181" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Extinguishment of Debt [Line Items]</link:label>
    <link:label id="lab_us-gaap_ExtinguishmentOfDebtLineItems_7DD063786A26483C19BB7581243CF0A9_label_en-US" xlink:label="lab_us-gaap_ExtinguishmentOfDebtLineItems_39C45E2A010D5578A69309E1DBC47181" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Extinguishment of Debt [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ExtinguishmentOfDebtLineItems" xlink:label="loc_us-gaap_ExtinguishmentOfDebtLineItems_39C45E2A010D5578A69309E1DBC47181" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ExtinguishmentOfDebtLineItems_39C45E2A010D5578A69309E1DBC47181" xlink:to="lab_us-gaap_ExtinguishmentOfDebtLineItems_39C45E2A010D5578A69309E1DBC47181" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtByCurrentAndNoncurrentAbstract_96D81B8FBBE1F5AFE0C27581243C91D3_verboseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtByCurrentAndNoncurrentAbstract_691E7AD4718A520E8DE4611E69B1E4DF" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Long-term debt</link:label>
    <link:label id="lab_us-gaap_LongTermDebtByCurrentAndNoncurrentAbstract_96D81B8FBBE1F5AFE0C27581243C91D3_label_en-US" xlink:label="lab_us-gaap_LongTermDebtByCurrentAndNoncurrentAbstract_691E7AD4718A520E8DE4611E69B1E4DF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, by Current and Noncurrent [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtByCurrentAndNoncurrentAbstract" xlink:label="loc_us-gaap_LongTermDebtByCurrentAndNoncurrentAbstract_691E7AD4718A520E8DE4611E69B1E4DF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtByCurrentAndNoncurrentAbstract_691E7AD4718A520E8DE4611E69B1E4DF" xlink:to="lab_us-gaap_LongTermDebtByCurrentAndNoncurrentAbstract_691E7AD4718A520E8DE4611E69B1E4DF" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebt_5234285E9C868E30C3947581243C1CD9_totalLabel_en-US" xlink:label="lab_us-gaap_LongTermDebt_DEDC90EFE36A559D918335626D987BF0" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total long-term debt</link:label>
    <link:label id="lab_us-gaap_LongTermDebt_5234285E9C868E30C3947581243C1CD9_label_en-US" xlink:label="lab_us-gaap_LongTermDebt_DEDC90EFE36A559D918335626D987BF0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_DEDC90EFE36A559D918335626D987BF0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebt_DEDC90EFE36A559D918335626D987BF0" xlink:to="lab_us-gaap_LongTermDebt_DEDC90EFE36A559D918335626D987BF0" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtCurrent_AAF77653F4137EC30E3B7581243DDE9E_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtCurrent_E33358755209565DA83413F26FB4B86D" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Less current maturities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_E33358755209565DA83413F26FB4B86D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtCurrent_E33358755209565DA83413F26FB4B86D" xlink:to="lab_us-gaap_LongTermDebtCurrent_E33358755209565DA83413F26FB4B86D" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtNoncurrent_E14C37F89508A4349F127581243D6974_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_7E42EE07112B5DDC96655EDEA81B7CF7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term debt, less current maturities</link:label>
    <link:label id="lab_us-gaap_LongTermDebtNoncurrent_E14C37F89508A4349F127581243D6974_label_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_7E42EE07112B5DDC96655EDEA81B7CF7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Excluding Current Maturities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_7E42EE07112B5DDC96655EDEA81B7CF7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtNoncurrent_7E42EE07112B5DDC96655EDEA81B7CF7" xlink:to="lab_us-gaap_LongTermDebtNoncurrent_7E42EE07112B5DDC96655EDEA81B7CF7" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationEmployeeStockPurchasePlanActivityTableTextBlock_DB5EECF8B35ABAE165D46F9441D944D9_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationEmployeeStockPurchasePlanActivityTableTextBlock_E0303C10BB4452EDB093AD49792BF272" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Treasury shares issued in ESPP</link:label>
    <link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationEmployeeStockPurchasePlanActivityTableTextBlock_DB5EECF8B35ABAE165D46F9441D944D9_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationEmployeeStockPurchasePlanActivityTableTextBlock_E0303C10BB4452EDB093AD49792BF272" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Share-based Compensation, Employee Stock Purchase Plan, Activity [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationEmployeeStockPurchasePlanActivityTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationEmployeeStockPurchasePlanActivityTableTextBlock_E0303C10BB4452EDB093AD49792BF272" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_C2A46D3451014E9A5C1609BDA79901D6_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_C2A46D3451014E9A5C1609BDA79901D6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_C2A46D3451014E9A5C1609BDA79901D6_label_en-US" xlink:label="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_C2A46D3451014E9A5C1609BDA79901D6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_C2A46D3451014E9A5C1609BDA79901D6" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_72FE7057F160D377A3DA09BDA79908A1_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_72FE7057F160D377A3DA09BDA79908A1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Type [Axis]</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_72FE7057F160D377A3DA09BDA79908A1_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_72FE7057F160D377A3DA09BDA79908A1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Type [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_72FE7057F160D377A3DA09BDA79908A1" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_EE4F35C7DB4EE678FDC209BDA799660D_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_EE4F35C7DB4EE678FDC209BDA799660D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Type [Domain]</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_EE4F35C7DB4EE678FDC209BDA799660D_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_EE4F35C7DB4EE678FDC209BDA799660D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Type [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_EE4F35C7DB4EE678FDC209BDA799660D" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LandImprovementsMember_6047658F610BB61042FB09BDA799D430_terseLabel_en-US" xlink:label="lab_us-gaap_LandImprovementsMember_6047658F610BB61042FB09BDA799D430" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Land and land improvements</link:label>
    <link:label id="lab_us-gaap_LandImprovementsMember_6047658F610BB61042FB09BDA799D430_label_en-US" xlink:label="lab_us-gaap_LandImprovementsMember_6047658F610BB61042FB09BDA799D430" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Land Improvements [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LandImprovementsMember" xlink:label="loc_us-gaap_LandImprovementsMember_6047658F610BB61042FB09BDA799D430" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LandImprovementsMember_6047658F610BB61042FB09BDA799D430" xlink:to="lab_us-gaap_LandImprovementsMember_6047658F610BB61042FB09BDA799D430" xlink:type="arc" />
    <link:label id="lab_us-gaap_BuildingAndBuildingImprovementsMember_84E7B8826A716FBD3F7909BDA79954A9_verboseLabel_en-US" xlink:label="lab_us-gaap_BuildingAndBuildingImprovementsMember_84E7B8826A716FBD3F7909BDA79954A9" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Buildings and building improvements</link:label>
    <link:label id="lab_us-gaap_BuildingAndBuildingImprovementsMember_84E7B8826A716FBD3F7909BDA79954A9_label_en-US" xlink:label="lab_us-gaap_BuildingAndBuildingImprovementsMember_84E7B8826A716FBD3F7909BDA79954A9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Building and Building Improvements [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BuildingAndBuildingImprovementsMember" xlink:label="loc_us-gaap_BuildingAndBuildingImprovementsMember_84E7B8826A716FBD3F7909BDA79954A9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BuildingAndBuildingImprovementsMember_84E7B8826A716FBD3F7909BDA79954A9" xlink:to="lab_us-gaap_BuildingAndBuildingImprovementsMember_84E7B8826A716FBD3F7909BDA79954A9" xlink:type="arc" />
    <link:label id="lab_us-gaap_FurnitureAndFixturesMember_FDD779C6AF446B59E92509BDA79973BF_verboseLabel_en-US" xlink:label="lab_us-gaap_FurnitureAndFixturesMember_FDD779C6AF446B59E92509BDA79973BF" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Furniture, fixtures and office equipment</link:label>
    <link:label id="lab_us-gaap_FurnitureAndFixturesMember_FDD779C6AF446B59E92509BDA79973BF_label_en-US" xlink:label="lab_us-gaap_FurnitureAndFixturesMember_FDD779C6AF446B59E92509BDA79973BF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Furniture and Fixtures [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FurnitureAndFixturesMember" xlink:label="loc_us-gaap_FurnitureAndFixturesMember_FDD779C6AF446B59E92509BDA79973BF" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LeaseholdImprovementsMember_411E28D6D660FAC7189F09BDA7995C6D_verboseLabel_en-US" xlink:label="lab_us-gaap_LeaseholdImprovementsMember_411E28D6D660FAC7189F09BDA7995C6D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Leasehold improvements</link:label>
    <link:label id="lab_us-gaap_LeaseholdImprovementsMember_411E28D6D660FAC7189F09BDA7995C6D_label_en-US" xlink:label="lab_us-gaap_LeaseholdImprovementsMember_411E28D6D660FAC7189F09BDA7995C6D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Leasehold Improvements [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LeaseholdImprovementsMember" xlink:label="loc_us-gaap_LeaseholdImprovementsMember_411E28D6D660FAC7189F09BDA7995C6D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeaseholdImprovementsMember_411E28D6D660FAC7189F09BDA7995C6D" xlink:to="lab_us-gaap_LeaseholdImprovementsMember_411E28D6D660FAC7189F09BDA7995C6D" xlink:type="arc" />
    <link:label id="lab_us-gaap_EquipmentLeasedToOtherPartyMember_99651A8FEE08BF7C33B809BDA799C98E_verboseLabel_en-US" xlink:label="lab_us-gaap_EquipmentLeasedToOtherPartyMember_99651A8FEE08BF7C33B809BDA799C98E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Equipment leased to customers</link:label>
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