<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:b5b2e8ce-483c-4b29-8338-853205ceebb4,g:e69b8a94-7d3f-4d9d-92fe-8d3e3b6fac75-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:abm="http://www.abm.com/20250131" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:dtr-types1="http://www.xbrl.org/dtr/type/2020-01-21" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2022-03-31" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.abm.com/20250131">
  <xs:import namespace="http://fasb.org/srt/2024" schemaLocation="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd"/>
  <xs:import namespace="http://fasb.org/us-gaap/2024" schemaLocation="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2020-01-21" schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2022-03-31" schemaLocation="https://www.xbrl.org/dtr/type/2022-03-31/types.xsd"/>
  <xs:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2024" schemaLocation="https://xbrl.sec.gov/dei/2024/dei-2024.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/ecd/2024" schemaLocation="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd"/>
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="abm-20250131_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="abm-20250131_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="abm-20250131_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="abm-20250131_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="Cover" roleURI="http://www.abm.com/role/Cover">
        <link:definition>0000001 - Document - Cover</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDBALANCESHEETS" roleURI="http://www.abm.com/role/CONSOLIDATEDBALANCESHEETS">
        <link:definition>9952151 - Statement - CONSOLIDATED BALANCE SHEETS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDBALANCESHEETSParenthetical" roleURI="http://www.abm.com/role/CONSOLIDATEDBALANCESHEETSParenthetical">
        <link:definition>9952152 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME" roleURI="http://www.abm.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME">
        <link:definition>9952153 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" roleURI="http://www.abm.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY">
        <link:definition>9952154 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYParenthetical" roleURI="http://www.abm.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYParenthetical">
        <link:definition>9952155 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDSTATEMENTSOFCASHFLOWS" roleURI="http://www.abm.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS">
        <link:definition>9952156 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="THECOMPANYANDNATUREOFOPERATIONS" roleURI="http://www.abm.com/role/THECOMPANYANDNATUREOFOPERATIONS">
        <link:definition>9952157 - Disclosure - THE COMPANY AND NATURE OF OPERATIONS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BASISOFPRESENTATIONANDSIGNIFICANTACCOUNTINGPOLICIES" roleURI="http://www.abm.com/role/BASISOFPRESENTATIONANDSIGNIFICANTACCOUNTINGPOLICIES">
        <link:definition>9952158 - Disclosure - BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ACQUISITIONS" roleURI="http://www.abm.com/role/ACQUISITIONS">
        <link:definition>9952159 - Disclosure - ACQUISITIONS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="REVENUES" roleURI="http://www.abm.com/role/REVENUES">
        <link:definition>9952160 - Disclosure - REVENUES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NETINCOMEPERCOMMONSHARE" roleURI="http://www.abm.com/role/NETINCOMEPERCOMMONSHARE">
        <link:definition>9952161 - Disclosure - NET INCOME PER COMMON SHARE</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FAIRVALEOFFINANCIALINSTRUMENTS" roleURI="http://www.abm.com/role/FAIRVALEOFFINANCIALINSTRUMENTS">
        <link:definition>9952162 - Disclosure - FAIR VALE OF FINANCIAL INSTRUMENTS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INSURANCE" roleURI="http://www.abm.com/role/INSURANCE">
        <link:definition>9952163 - Disclosure - INSURANCE</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CREDITFACILITY" roleURI="http://www.abm.com/role/CREDITFACILITY">
        <link:definition>9952164 - Disclosure - CREDIT FACILITY</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="COMMONSTOCK" roleURI="http://www.abm.com/role/COMMONSTOCK">
        <link:definition>9952165 - Disclosure - COMMON STOCK</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="COMMITMENTSANDCONTINGENCIES" roleURI="http://www.abm.com/role/COMMITMENTSANDCONTINGENCIES">
        <link:definition>9952166 - Disclosure - COMMITMENTS AND CONTINGENCIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INCOMETAXES" roleURI="http://www.abm.com/role/INCOMETAXES">
        <link:definition>9952167 - Disclosure - INCOME TAXES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SEGMENTINFORMATION" roleURI="http://www.abm.com/role/SEGMENTINFORMATION">
        <link:definition>9952168 - Disclosure - SEGMENT INFORMATION</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SUBSEQUENTEVENT" roleURI="http://www.abm.com/role/SUBSEQUENTEVENT">
        <link:definition>9952169 - Disclosure - SUBSEQUENT EVENT</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BASISOFPRESENTATIONANDSIGNIFICANTACCOUNTINGPOLICIESPolicies" roleURI="http://www.abm.com/role/BASISOFPRESENTATIONANDSIGNIFICANTACCOUNTINGPOLICIESPolicies">
        <link:definition>9955511 - Disclosure - BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="REVENUESTables" roleURI="http://www.abm.com/role/REVENUESTables">
        <link:definition>9955512 - Disclosure - REVENUES (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NETINCOMEPERCOMMONSHARETables" roleURI="http://www.abm.com/role/NETINCOMEPERCOMMONSHARETables">
        <link:definition>9955513 - Disclosure - NET INCOME PER COMMON SHARE (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FAIRVALEOFFINANCIALINSTRUMENTSTables" roleURI="http://www.abm.com/role/FAIRVALEOFFINANCIALINSTRUMENTSTables">
        <link:definition>9955514 - Disclosure - FAIR VALE OF FINANCIAL INSTRUMENTS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INSURANCETables" roleURI="http://www.abm.com/role/INSURANCETables">
        <link:definition>9955515 - Disclosure - INSURANCE (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CREDITFACILITYTables" roleURI="http://www.abm.com/role/CREDITFACILITYTables">
        <link:definition>9955516 - Disclosure - CREDIT FACILITY (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="COMMONSTOCKTables" roleURI="http://www.abm.com/role/COMMONSTOCKTables">
        <link:definition>9955517 - Disclosure - COMMON STOCK (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SEGMENTINFORMATIONTables" roleURI="http://www.abm.com/role/SEGMENTINFORMATIONTables">
        <link:definition>9955518 - Disclosure - SEGMENT INFORMATION (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="THECOMPANYANDNATUREOFOPERATIONSDetails" roleURI="http://www.abm.com/role/THECOMPANYANDNATUREOFOPERATIONSDetails">
        <link:definition>9955519 - Disclosure - THE COMPANY AND NATURE OF OPERATIONS (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BASISOFPRESENTATIONANDSIGNIFICANTACCOUNTINGPOLICIESDetails" roleURI="http://www.abm.com/role/BASISOFPRESENTATIONANDSIGNIFICANTACCOUNTINGPOLICIESDetails">
        <link:definition>9955520 - Disclosure - BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ACQUISITIONSDetails" roleURI="http://www.abm.com/role/ACQUISITIONSDetails">
        <link:definition>9955521 - Disclosure - ACQUISITIONS (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="REVENUESScheduleofDisaggregationofRevenuesDetails" roleURI="http://www.abm.com/role/REVENUESScheduleofDisaggregationofRevenuesDetails">
        <link:definition>9955522 - Disclosure - REVENUES - Schedule of Disaggregation of Revenues (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="REVENUESRemainingPerformanceObligationsNarrativeDetails" roleURI="http://www.abm.com/role/REVENUESRemainingPerformanceObligationsNarrativeDetails">
        <link:definition>9955523 - Disclosure - REVENUES - Remaining Performance Obligations Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="REVENUESRemainingPerformanceObligationsNarrativeDetails_1" roleURI="http://www.abm.com/role/REVENUESRemainingPerformanceObligationsNarrativeDetails_1">
        <link:definition>9955523 - Disclosure - REVENUES - Remaining Performance Obligations Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="REVENUESScheduleofContractAssetandLiabilityDetails" roleURI="http://www.abm.com/role/REVENUESScheduleofContractAssetandLiabilityDetails">
        <link:definition>9955524 - Disclosure - REVENUES - Schedule of Contract Asset and Liability (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NETINCOMEPERCOMMONSHAREScheduleofBasicandDilutedNetIncomePerCommonShareCalculationsDetails" roleURI="http://www.abm.com/role/NETINCOMEPERCOMMONSHAREScheduleofBasicandDilutedNetIncomePerCommonShareCalculationsDetails">
        <link:definition>9955525 - Disclosure - NET INCOME PER COMMON SHARE - Schedule of Basic and Diluted Net Income Per Common Share Calculations (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NETINCOMEPERCOMMONSHAREScheduleofAntiDilutiveOutstandingStockAwardsIssuedUnderShareBasedCompensationPlansDetails" roleURI="http://www.abm.com/role/NETINCOMEPERCOMMONSHAREScheduleofAntiDilutiveOutstandingStockAwardsIssuedUnderShareBasedCompensationPlansDetails">
        <link:definition>9955526 - Disclosure - NET INCOME PER COMMON SHARE - Schedule of Anti-Dilutive Outstanding Stock Awards Issued Under Share-Based Compensation Plans (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FAIRVALEOFFINANCIALINSTRUMENTSDetails" roleURI="http://www.abm.com/role/FAIRVALEOFFINANCIALINSTRUMENTSDetails">
        <link:definition>9955527 - Disclosure - FAIR VALE OF FINANCIAL INSTRUMENTS (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INSURANCENarrativeDetails" roleURI="http://www.abm.com/role/INSURANCENarrativeDetails">
        <link:definition>9955528 - Disclosure - INSURANCE - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INSURANCEScheduleofInsuranceRelatedBalancesandActivityDetails" roleURI="http://www.abm.com/role/INSURANCEScheduleofInsuranceRelatedBalancesandActivityDetails">
        <link:definition>9955529 - Disclosure - INSURANCE - Schedule of Insurance Related Balances and Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INSURANCEScheduleofInstrumentsUsedtoCollateralizeInsuranceObligationsDetails" roleURI="http://www.abm.com/role/INSURANCEScheduleofInstrumentsUsedtoCollateralizeInsuranceObligationsDetails">
        <link:definition>9955530 - Disclosure - INSURANCE - Schedule of Instruments Used to Collateralize Insurance Obligations (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CREDITFACILITYScheduleofComponentsofDebtDetails" roleURI="http://www.abm.com/role/CREDITFACILITYScheduleofComponentsofDebtDetails">
        <link:definition>9955531 - Disclosure - CREDIT FACILITY- Schedule of Components of Debt (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CREDITFACILITYNarrativeDetails" roleURI="http://www.abm.com/role/CREDITFACILITYNarrativeDetails">
        <link:definition>9955532 - Disclosure - CREDIT FACILITY - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CREDITFACILITYScheduleofLongTermDebtMaturitiesDetails" roleURI="http://www.abm.com/role/CREDITFACILITYScheduleofLongTermDebtMaturitiesDetails">
        <link:definition>9955533 - Disclosure - CREDIT FACILITY - Schedule of Long-Term Debt Maturities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CREDITFACILITYScheduleofInterestRateSwapsDetails" roleURI="http://www.abm.com/role/CREDITFACILITYScheduleofInterestRateSwapsDetails">
        <link:definition>9955534 - Disclosure - CREDIT FACILITY - Schedule of Interest Rate Swaps (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="COMMONSTOCKNarrativeDetails" roleURI="http://www.abm.com/role/COMMONSTOCKNarrativeDetails">
        <link:definition>9955535 - Disclosure - COMMON STOCK - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="COMMONSTOCKScheduleofRepurchaseActivityDetails" roleURI="http://www.abm.com/role/COMMONSTOCKScheduleofRepurchaseActivityDetails">
        <link:definition>9955536 - Disclosure - COMMON STOCK - Schedule of Repurchase Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="COMMITMENTSANDCONTINGENCIESDetails" roleURI="http://www.abm.com/role/COMMITMENTSANDCONTINGENCIESDetails">
        <link:definition>9955537 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INCOMETAXESDetails" roleURI="http://www.abm.com/role/INCOMETAXESDetails">
        <link:definition>9955538 - Disclosure - INCOME TAXES (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SEGMENTINFORMATIONDetails" roleURI="http://www.abm.com/role/SEGMENTINFORMATIONDetails">
        <link:definition>9955539 - Disclosure - SEGMENT INFORMATION (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SUBSEQUENTEVENTDetails" roleURI="http://www.abm.com/role/SUBSEQUENTEVENTDetails">
        <link:definition>9955540 - Disclosure - SUBSEQUENT EVENT (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="abm_IncreaseDecreaseInOperatingLeaseRightOfUseAsset" abstract="false" name="IncreaseDecreaseInOperatingLeaseRightOfUseAsset" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abm_IncreaseDecreaseInLeaseLiabilitiesNoncurrent" abstract="false" name="IncreaseDecreaseInLeaseLiabilitiesNoncurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abm_ScheduleOfInsuranceRelatedBalancesAndActivityTableTextBlock" abstract="false" name="ScheduleOfInsuranceRelatedBalancesAndActivityTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="abm_InsuranceDisclosureTableTextBlock" abstract="false" name="InsuranceDisclosureTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="abm_NumberOfIndustryGroups" abstract="false" name="NumberOfIndustryGroups" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="abm_NumberOfTechnicalSolutionSegments" abstract="false" name="NumberOfTechnicalSolutionSegments" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="abm_ManagementReimbursementRevenueMember" abstract="true" name="ManagementReimbursementRevenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abm_QualityUptimeServicesIncMember" abstract="true" name="QualityUptimeServicesIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="abm_RavenVoltIncMember" abstract="true" name="RavenVoltIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abm_BusinessAcquisitionGoodwillTaxDeductibleAmortizationPeriod" abstract="false" name="BusinessAcquisitionGoodwillTaxDeductibleAmortizationPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="abm_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedTangibleAssets" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedTangibleAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abm_BusinessAndIndustryMember" abstract="true" name="BusinessAndIndustryMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abm_ManufacturingAndDistributionMember" abstract="true" name="ManufacturingAndDistributionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abm_EducationMember" abstract="true" name="EducationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abm_AviationMember" abstract="true" name="AviationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abm_TechnicalSolutionsMember" abstract="true" name="TechnicalSolutionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abm_FacilityServiceLineMember" abstract="true" name="FacilityServiceLineMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="abm_FacilityServiceLineJanitorialMember" abstract="true" name="FacilityServiceLineJanitorialMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abm_FacilityServiceLineAviationServicesMember" abstract="true" name="FacilityServiceLineAviationServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abm_FacilityServiceLineParkingAndTransportationMember" abstract="true" name="FacilityServiceLineParkingAndTransportationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="abm_EngineeringAndInfrastructureServiceLineMember" abstract="true" name="EngineeringAndInfrastructureServiceLineMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="abm_EngineeringAndInfrastructureServiceLineOperationsAndMaintenanceMember" abstract="true" name="EngineeringAndInfrastructureServiceLineOperationsAndMaintenanceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abm_EngineeringAndInfrastructureServiceLineBuildingAndEnergySolutionsMember" abstract="true" name="EngineeringAndInfrastructureServiceLineBuildingAndEnergySolutionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abm_ContractWithCustomerAssetBilledTradeReceivableCurrent" abstract="false" name="ContractWithCustomerAssetBilledTradeReceivableCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abm_ContractWithCustomerAssetUnbilledTradeReceivablesCurrent" abstract="false" name="ContractWithCustomerAssetUnbilledTradeReceivablesCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abm_ContractWithCustomerAssetCostsIncurredInExcessOfAmountsBilledCurrent" abstract="false" name="ContractWithCustomerAssetCostsIncurredInExcessOfAmountsBilledCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abm_ContractWithCustomerAssetCapitalizedCommissions" abstract="false" name="ContractWithCustomerAssetCapitalizedCommissions" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abm_ContractWithCustomerAssetIncreaseDecreaseForNewCapitalizedCosts" abstract="false" name="ContractWithCustomerAssetIncreaseDecreaseForNewCapitalizedCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abm_ContractwithCustomerLiabilitiesRollForward" abstract="true" name="ContractwithCustomerLiabilitiesRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="abm_ContractWithCustomerLiabilityOtherCurrent" abstract="false" name="ContractWithCustomerLiabilityOtherCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abm_ContractWithCustomerLiabilityOtherIncreaseDecreaseForAdditionalContractLiabilities" abstract="false" name="ContractWithCustomerLiabilityOtherIncreaseDecreaseForAdditionalContractLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abm_ContractWithCustomerLiabilityOtherIncludingNewContractRevenueRecognized" abstract="false" name="ContractWithCustomerLiabilityOtherIncludingNewContractRevenueRecognized" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abm_ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassTable" abstract="true" name="ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="abm_ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassLineItems" abstract="true" name="ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="abm_ScheduleOfOtherLiabilitiesTable" abstract="true" name="ScheduleOfOtherLiabilitiesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="abm_ScheduleOfOtherLiabilitiesLineItems" abstract="true" name="ScheduleOfOtherLiabilitiesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="abm_SelfInsuredRetentionAmountPerOccurrence" abstract="false" name="SelfInsuredRetentionAmountPerOccurrence" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abm_WorkersCompensationGeneralLiabilityAndOtherInsurableRisksInsurancePolicyLimit" abstract="false" name="WorkersCompensationGeneralLiabilityAndOtherInsurableRisksInsurancePolicyLimit" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abm_InsurancePolicyCoverageGeneralLiabilityAndAutomobileLiabilityLosses" abstract="false" name="InsurancePolicyCoverageGeneralLiabilityAndAutomobileLiabilityLosses" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abm_PropertyDamagePolicyLimit" abstract="false" name="PropertyDamagePolicyLimit" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abm_SelfInsuredRetentionAmountPerParticipantPerYearForCertainEmployeeMedicalAndDentalPrograms" abstract="false" name="SelfInsuredRetentionAmountPerParticipantPerYearForCertainEmployeeMedicalAndDentalPrograms" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abm_InsurancePoliciesAxis" abstract="true" name="InsurancePoliciesAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="abm_InsurancePoliciesDomain" abstract="true" name="InsurancePoliciesDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abm_AllOtherClaimTypesExcludingMedicalAndDentalSelfInsuranceProgramMember" abstract="true" name="AllOtherClaimTypesExcludingMedicalAndDentalSelfInsuranceProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abm_MedicalAndDentalSelfInsuranceProgramMember" abstract="true" name="MedicalAndDentalSelfInsuranceProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abm_LettersOfCreditTable" abstract="true" name="LettersOfCreditTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="abm_InstrumentsUsedtoCollateralizeInsuranceObligationsbyTypeAxis" abstract="true" name="InstrumentsUsedtoCollateralizeInsuranceObligationsbyTypeAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="abm_InstrumentsUsedtoCollateralizeInsuranceObligationsTypeDomain" abstract="true" name="InstrumentsUsedtoCollateralizeInsuranceObligationsTypeDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abm_SuretyBondsAndSuretyBackedLettersOfCreditMember" abstract="true" name="SuretyBondsAndSuretyBackedLettersOfCreditMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abm_LettersOfCreditLineItems" abstract="true" name="LettersOfCreditLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="abm_InstrumentsUsedToCollateralizeInsuranceObligations" abstract="false" name="InstrumentsUsedToCollateralizeInsuranceObligations" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abm_CreditFacilityMember" abstract="true" name="CreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abm_LoansPayableCurrentGross" abstract="false" name="LoansPayableCurrentGross" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abm_LoansPayableNoncurrentGross" abstract="false" name="LoansPayableNoncurrentGross" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abm_SwingLineLoanMember" abstract="true" name="SwingLineLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abm_DebtInstrumentBasisSpreadFloor" abstract="false" name="DebtInstrumentBasisSpreadFloor" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="abm_DebtInstrumentCovenantMaximumTotalNetLeverageRatio" abstract="false" name="DebtInstrumentCovenantMaximumTotalNetLeverageRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="abm_DebtInstrumentCovenantMaximumSecuredNetLeverageRatio" abstract="false" name="DebtInstrumentCovenantMaximumSecuredNetLeverageRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="abm_DebtInstrumentCovenantMinimumInterestCoverageRatio" abstract="false" name="DebtInstrumentCovenantMinimumInterestCoverageRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="abm_InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsTax" abstract="false" name="InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsTax" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abm_InterestRateSwapEffective292022Member" abstract="true" name="InterestRateSwapEffective292022Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abm_InterestRateSwapEffective2252022Member" abstract="true" name="InterestRateSwapEffective2252022Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abm_InterestRateSwapEffective542022Member" abstract="true" name="InterestRateSwapEffective542022Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abm_InterestRateSwapEffective772022Member" abstract="true" name="InterestRateSwapEffective772022Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abm_InterestRateSwapEffective7182022Member" abstract="true" name="InterestRateSwapEffective7182022Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abm_InterestRateSwapEffective1112022Member" abstract="true" name="InterestRateSwapEffective1112022Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abm_StockRepurchaseProgramIncreaseDecreaseInAuthorizedAmount" abstract="false" name="StockRepurchaseProgramIncreaseDecreaseInAuthorizedAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abm_StockRepurchaseDuringPeriodAverageCostPerShare" abstract="false" name="StockRepurchaseDuringPeriodAverageCostPerShare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="abm_EnergySavingsContractsMember" abstract="true" name="EnergySavingsContractsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="abm_SuretyBondsAndSuretyBackedLettersOfCredit" abstract="false" name="SuretyBondsAndSuretyBackedLettersOfCredit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abm_GuaranteeObligation" abstract="false" name="GuaranteeObligation" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="abm_ScottSalmirsMember" abstract="true" name="ScottSalmirsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="abm_SeanMahoneyMember" abstract="true" name="SeanMahoneyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
