{"url_path":"/sec/abm/10-q/2026/cover-page","section_key":"cover-page","section_title":"Cover Page","topic":"sec","document":{"doc_type":"10-Q","doc_date":"2026-06-05","source_url":"https://www.sec.gov/Archives/edgar/data/771497/0000771497-26-000007-index.html","accession_number":"0000771497-26-000007","cik":"0000771497","ticker":"ABM","issuer_name":"ABM INDUSTRIES INC /DE/","edgar_url":"https://www.sec.gov/Archives/edgar/data/771497/0000771497-26-000007-index.html","primary_entity_key":"0000771497","primary_entity_name":"ABM INDUSTRIES INC /DE/"},"word_count":431,"has_tables":true,"body_markdown":"abm-20260430\n000077149710/312026Q2FALSE170xbrli:sharesiso4217:USDiso4217:USDxbrli:sharesabm:industry_groupabm:segmentabm:customerxbrli:pure00007714972025-11-012026-04-3000007714972026-06-0400007714972026-04-3000007714972025-10-3100007714972026-02-012026-04-3000007714972025-02-012025-04-3000007714972024-11-012025-04-300000771497us-gaap:CommonStockMember2026-01-310000771497us-gaap:CommonStockMember2025-01-310000771497us-gaap:CommonStockMember2025-10-310000771497us-gaap:CommonStockMember2024-10-310000771497us-gaap:CommonStockMember2026-02-012026-04-300000771497us-gaap:CommonStockMember2025-02-012025-04-300000771497us-gaap:CommonStockMember2025-11-012026-04-300000771497us-gaap:CommonStockMember2024-11-012025-04-300000771497us-gaap:CommonStockMember2026-04-300000771497us-gaap:CommonStockMember2025-04-300000771497us-gaap:AdditionalPaidInCapitalMember2026-01-310000771497us-gaap:AdditionalPaidInCapitalMember2025-01-310000771497us-gaap:AdditionalPaidInCapitalMember2025-10-310000771497us-gaap:AdditionalPaidInCapitalMember2024-10-310000771497us-gaap:AdditionalPaidInCapitalMember2026-02-012026-04-300000771497us-gaap:AdditionalPaidInCapitalMember2025-02-012025-04-300000771497us-gaap:AdditionalPaidInCapitalMember2025-11-012026-04-300000771497us-gaap:AdditionalPaidInCapitalMember2024-11-012025-04-300000771497us-gaap:AdditionalPaidInCapitalMember2026-04-300000771497us-gaap:AdditionalPaidInCapitalMember2025-04-300000771497us-gaap:AccumulatedOtherComprehensiveIncomeMember2026-01-310000771497us-gaap:AccumulatedOtherComprehensiveIncomeMember2025-01-310000771497us-gaap:AccumulatedOtherComprehensiveIncomeMember2025-10-310000771497us-gaap:AccumulatedOtherComprehensiveIncomeMember2024-10-310000771497us-gaap:AccumulatedOtherComprehensiveIncomeMember2026-02-012026-04-300000771497us-gaap:AccumulatedOtherComprehensiveIncomeMember2025-02-012025-04-300000771497us-gaap:AccumulatedOtherComprehensiveIncomeMember2025-11-012026-04-300000771497us-gaap:AccumulatedOtherComprehensiveIncomeMember2024-11-012025-04-300000771497us-gaap:AccumulatedOtherComprehensiveIncomeMember2026-04-300000771497us-gaap:AccumulatedOtherComprehensiveIncomeMember2025-04-300000771497us-gaap:RetainedEarningsMember2026-01-310000771497us-gaap:RetainedEarningsMember2025-01-310000771497us-gaap:RetainedEarningsMember2025-10-310000771497us-gaap:RetainedEarningsMember2024-10-310000771497us-gaap:RetainedEarningsMember2026-02-012026-04-300000771497us-gaap:RetainedEarningsMember2025-02-012025-04-300000771497us-gaap:RetainedEarningsMember2025-11-012026-04-300000771497us-gaap:RetainedEarningsMember2024-11-012025-04-300000771497us-gaap:RetainedEarningsMember2026-04-300000771497us-gaap:RetainedEarningsMember2025-04-3000007714972025-04-3000007714972024-10-310000771497abm:ManagementReimbursementRevenueMember2026-02-012026-04-300000771497abm:ManagementReimbursementRevenueMember2025-11-012026-04-300000771497abm:ManagementReimbursementRevenueMember2025-02-012025-04-300000771497abm:ManagementReimbursementRevenueMember2024-11-012025-04-300000771497abm:WGNSTARMember2026-02-042026-02-040000771497abm:WGNSTARMember2026-02-040000771497abm:WGNSTARMember2025-11-012026-04-300000771497abm:WGNSTARMember2026-02-012026-04-300000771497abm:LMCFMLimitedMember2025-06-012025-06-010000771497abm:LMCFMLimitedMember2025-06-010000771497abm:LMCFMLimitedMember2026-04-300000771497abm:LMCFMLimitedMember2025-10-310000771497abm:LMCFMLimitedMember2026-02-012026-04-300000771497abm:LMCFMLimitedMember2025-11-012026-04-300000771497abm:RavenVoltIncMember2022-09-012022-09-010000771497srt:MaximumMemberabm:RavenVoltIncMember2022-09-012022-09-010000771497abm:RavenVoltIncMember2022-09-010000771497abm:RavenVoltIncMember2024-01-012024-12-310000771497abm:RavenVoltIncMember2024-10-310000771497abm:RavenVoltIncMember2025-08-012025-10-310000771497abm:RavenVoltIncMember2026-04-300000771497abm:FacilityServiceLineJanitorialMemberabm:BusinessAndIndustryMember2026-02-012026-04-300000771497abm:FacilityServiceLineJanitorialMemberabm:ManufacturingAndDistributionMember2026-02-012026-04-300000771497abm:FacilityServiceLineJanitorialMemberabm:AviationMember2026-02-012026-04-300000771497abm:FacilityServiceLineJanitorialMemberabm:EducationMember2026-02-012026-04-300000771497abm:FacilityServiceLineJanitorialMemberabm:TechnicalSolutionsMember2026-02-012026-04-300000771497abm:FacilityServiceLineJanitorialMember2026-02-012026-04-300000771497abm:FacilityServiceLineJanitorialMemberabm:BusinessAndIndustryMember2025-11-012026-04-300000771497abm:FacilityServiceLineJanitorialMemberabm:ManufacturingAndDistributionMember2025-11-012026-04-300000771497abm:FacilityServiceLineJanitorialMemberabm:AviationMember2025-11-012026-04-300000771497abm:FacilityServiceLineJanitorialMemberabm:EducationMember2025-11-012026-04-300000771497abm:FacilityServiceLineJanitorialMemberabm:TechnicalSolutionsMember2025-11-012026-04-300000771497abm:FacilityServiceLineJanitorialMember2025-11-012026-04-300000771497abm:FacilityServiceLineAviationServicesMemberabm:BusinessAndIndustryMember2026-02-012026-04-300000771497abm:FacilityServiceLineAviationServicesMemberabm:ManufacturingAndDistributionMember2026-02-012026-04-300000771497abm:FacilityServiceLineAviationServicesMemberabm:AviationMember2026-02-012026-04-300000771497abm:FacilityServiceLineAviationServicesMemberabm:EducationMember2026-02-012026-04-300000771497abm:FacilityServiceLineAviationServicesMemberabm:TechnicalSolutionsMember2026-02-012026-04-300000771497abm:FacilityServiceLineAviationServicesMember2026-02-012026-04-300000771497abm:FacilityServiceLineAviationServicesMemberabm:BusinessAndIndustryMember2025-11-012026-04-300000771497abm:FacilityServiceLineAviationServicesMemberabm:ManufacturingAndDistributionMember2025-11-012026-04-300000771497abm:FacilityServiceLineAviationServicesMemberabm:AviationMember2025-11-012026-04-300000771497abm:FacilityServiceLineAviationServicesMemberabm:EducationMember2025-11-012026-04-300000771497abm:FacilityServiceLineAviationServicesMemberabm:TechnicalSolutionsMember2025-11-012026-04-300000771497abm:FacilityServiceLineAviationServicesMember2025-11-012026-04-300000771497abm:FacilityServiceLineParkingAndTransportationMemberabm:BusinessAndIndustryMember2026-02-012026-04-300000771497abm:FacilityServiceLineParkingAndTransportationMemberabm:ManufacturingAndDistributionMember2026-02-012026-04-300000771497abm:FacilityServiceLineParkingAndTransportationMemberabm:AviationMember2026-02-012026-04-300000771497abm:FacilityServiceLineParkingAndTransportationMemberabm:EducationMember2026-02-012026-04-300000771497abm:FacilityServiceLineParkingAndTransportationMemberabm:TechnicalSolutionsMember2026-02-012026-04-300000771497abm:FacilityServiceLineParkingAndTransportationMember2026-02-012026-04-300000771497abm:FacilityServiceLineParkingAndTransportationMemberabm:BusinessAndIndustryMember2025-11-012026-04-300000771497abm:FacilityServiceLineParkingAndTransportationMemberabm:ManufacturingAndDistributionMember2025-11-012026-04-300000771497abm:FacilityServiceLineParkingAndTransportationMemberabm:AviationMember2025-11-012026-04-300000771497abm:FacilityServiceLineParkingAndTransportationMemberabm:EducationMember2025-11-012026-04-300000771497abm:FacilityServiceLineParkingAndTransportationMemberabm:TechnicalSolutionsMember2025-11-012026-04-300000771497abm:FacilityServiceLineParkingAndTransportationMember2025-11-012026-04-300000771497abm:FacilityServiceLineMemberabm:BusinessAndIndustryMember2026-02-012026-04-300000771497abm:FacilityServiceLineMemberabm:ManufacturingAndDistributionMember2026-02-012026-04-300000771497abm:FacilityServiceLineMemberabm:AviationMember2026-02-012026-04-300000771497abm:FacilityServiceLineMemberabm:EducationMember2026-02-012026-04-300000771497abm:FacilityServiceLineMemberabm:TechnicalSolutionsMember2026-02-012026-04-300000771497abm:FacilityServiceLineMember2026-02-012026-04-300000771497abm:FacilityServiceLineMemberabm:BusinessAndIndustryMember2025-11-012026-04-300000771497abm:FacilityServiceLineMemberabm:ManufacturingAndDistributionMember2025-11-012026-04-300000771497abm:FacilityServiceLineMemberabm:AviationMember2025-11-012026-04-300000771497abm:FacilityServiceLineMemberabm:EducationMember2025-11-012026-04-300000771497abm:FacilityServiceLineMemberabm:TechnicalSolutionsMember2025-11-012026-04-300000771497abm:FacilityServiceLineMember2025-11-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineOperationsAndMaintenanceMemberabm:BusinessAndIndustryMember2026-02-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineOperationsAndMaintenanceMemberabm:ManufacturingAndDistributionMember2026-02-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineOperationsAndMaintenanceMemberabm:AviationMember2026-02-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineOperationsAndMaintenanceMemberabm:EducationMember2026-02-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineOperationsAndMaintenanceMemberabm:TechnicalSolutionsMember2026-02-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineOperationsAndMaintenanceMember2026-02-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineOperationsAndMaintenanceMemberabm:BusinessAndIndustryMember2025-11-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineOperationsAndMaintenanceMemberabm:ManufacturingAndDistributionMember2025-11-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineOperationsAndMaintenanceMemberabm:AviationMember2025-11-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineOperationsAndMaintenanceMemberabm:EducationMember2025-11-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineOperationsAndMaintenanceMemberabm:TechnicalSolutionsMember2025-11-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineOperationsAndMaintenanceMember2025-11-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineBuildingAndEnergySolutionsMemberabm:BusinessAndIndustryMember2026-02-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineBuildingAndEnergySolutionsMemberabm:ManufacturingAndDistributionMember2026-02-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineBuildingAndEnergySolutionsMemberabm:AviationMember2026-02-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineBuildingAndEnergySolutionsMemberabm:EducationMember2026-02-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineBuildingAndEnergySolutionsMemberabm:TechnicalSolutionsMember2026-02-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineBuildingAndEnergySolutionsMember2026-02-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineBuildingAndEnergySolutionsMemberabm:BusinessAndIndustryMember2025-11-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineBuildingAndEnergySolutionsMemberabm:ManufacturingAndDistributionMember2025-11-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineBuildingAndEnergySolutionsMemberabm:AviationMember2025-11-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineBuildingAndEnergySolutionsMemberabm:EducationMember2025-11-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineBuildingAndEnergySolutionsMemberabm:TechnicalSolutionsMember2025-11-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineBuildingAndEnergySolutionsMember2025-11-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineMemberabm:BusinessAndIndustryMember2026-02-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineMemberabm:ManufacturingAndDistributionMember2026-02-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineMemberabm:AviationMember2026-02-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineMemberabm:EducationMember2026-02-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineMemberabm:TechnicalSolutionsMember2026-02-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineMember2026-02-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineMemberabm:BusinessAndIndustryMember2025-11-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineMemberabm:ManufacturingAndDistributionMember2025-11-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineMemberabm:AviationMember2025-11-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineMemberabm:EducationMember2025-11-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineMemberabm:TechnicalSolutionsMember2025-11-012026-04-300000771497abm:EngineeringAndInfrastructureServiceLineMember2025-11-012026-04-300000771497abm:BusinessAndIndustryMember2026-02-012026-04-300000771497abm:ManufacturingAndDistributionMember2026-02-012026-04-300000771497abm:AviationMember2026-02-012026-04-300000771497abm:EducationMember2026-02-012026-04-300000771497abm:TechnicalSolutionsMember2026-02-012026-04-300000771497abm:BusinessAndIndustryMember2025-11-012026-04-300000771497abm:ManufacturingAndDistributionMember2025-11-012026-04-300000771497abm:AviationMember2025-11-012026-04-300000771497abm:EducationMember2025-11-012026-04-300000771497abm:TechnicalSolutionsMember2025-11-012026-04-300000771497abm:FacilityServiceLineJanitorialMemberabm:BusinessAndIndustryMember2025-02-012025-04-300000771497abm:FacilityServiceLineJanitorialMemberabm:ManufacturingAndDistributionMember2025-02-012025-04-300000771497abm:FacilityServiceLineJanitorialMemberabm:AviationMember2025-02-012025-04-300000771497abm:FacilityServiceLineJanitorialMemberabm:EducationMember2025-02-012025-04-300000771497abm:FacilityServiceLineJanitorialMemberabm:TechnicalSolutionsMember2025-02-012025-04-300000771497abm:FacilityServiceLineJanitorialMember2025-02-012025-04-300000771497abm:FacilityServiceLineJanitorialMemberabm:BusinessAndIndustryMember2024-11-012025-04-300000771497abm:FacilityServiceLineJanitorialMemberabm:ManufacturingAndDistributionMember2024-11-012025-04-300000771497abm:FacilityServiceLineJanitorialMemberabm:AviationMember2024-11-012025-04-300000771497abm:FacilityServiceLineJanitorialMemberabm:EducationMember2024-11-012025-04-300000771497abm:FacilityServiceLineJanitorialMemberabm:TechnicalSolutionsMember2024-11-012025-04-300000771497abm:FacilityServiceLineJanitorialMember2024-11-012025-04-300000771497abm:FacilityServiceLineAviationServicesMemberabm:BusinessAndIndustryMember2025-02-012025-04-300000771497abm:FacilityServiceLineAviationServicesMemberabm:ManufacturingAndDistributionMember2025-02-012025-04-300000771497abm:FacilityServiceLineAviationServicesMemberabm:AviationMember2025-02-012025-04-300000771497abm:FacilityServiceLineAviationServicesMemberabm:EducationMember2025-02-012025-04-300000771497abm:FacilityServiceLineAviationServicesMemberabm:TechnicalSolutionsMember2025-02-012025-04-300000771497abm:FacilityServiceLineAviationServicesMember2025-02-012025-04-300000771497abm:FacilityServiceLineAviationServicesMemberabm:BusinessAndIndustryMember2024-11-012025-04-300000771497abm:FacilityServiceLineAviationServicesMemberabm:ManufacturingAndDistributionMember2024-11-012025-04-300000771497abm:FacilityServiceLineAviationServicesMemberabm:AviationMember2024-11-012025-04-300000771497abm:FacilityServiceLineAviationServicesMemberabm:EducationMember2024-11-012025-04-300000771497abm:FacilityServiceLineAviationServicesMemberabm:TechnicalSolutionsMember2024-11-012025-04-300000771497abm:FacilityServiceLineAviationServicesMember2024-11-012025-04-300000771497abm:FacilityServiceLineParkingAndTransportationMemberabm:BusinessAndIndustryMember2025-02-012025-04-300000771497abm:FacilityServiceLineParkingAndTransportationMemberabm:ManufacturingAndDistributionMember2025-02-012025-04-300000771497abm:FacilityServiceLineParkingAndTransportationMemberabm:AviationMember2025-02-012025-04-300000771497abm:FacilityServiceLineParkingAndTransportationMemberabm:EducationMember2025-02-012025-04-300000771497abm:FacilityServiceLineParkingAndTransportationMemberabm:TechnicalSolutionsMember2025-02-012025-04-300000771497abm:FacilityServiceLineParkingAndTransportationMember2025-02-012025-04-300000771497abm:FacilityServiceLineParkingAndTransportationMemberabm:BusinessAndIndustryMember2024-11-012025-04-300000771497abm:FacilityServiceLineParkingAndTransportationMemberabm:ManufacturingAndDistributionMember2024-11-012025-04-300000771497abm:FacilityServiceLineParkingAndTransportationMemberabm:AviationMember2024-11-012025-04-300000771497abm:FacilityServiceLineParkingAndTransportationMemberabm:EducationMember2024-11-012025-04-300000771497abm:FacilityServiceLineParkingAndTransportationMemberabm:TechnicalSolutionsMember2024-11-012025-04-300000771497abm:FacilityServiceLineParkingAndTransportationMember2024-11-012025-04-300000771497abm:FacilityServiceLineMemberabm:BusinessAndIndustryMember2025-02-012025-04-300000771497abm:FacilityServiceLineMemberabm:ManufacturingAndDistributionMember2025-02-012025-04-300000771497abm:FacilityServiceLineMemberabm:AviationMember2025-02-012025-04-300000771497abm:FacilityServiceLineMemberabm:EducationMember2025-02-012025-04-300000771497abm:FacilityServiceLineMemberabm:TechnicalSolutionsMember2025-02-012025-04-300000771497abm:FacilityServiceLineMember2025-02-012025-04-300000771497abm:FacilityServiceLineMemberabm:BusinessAndIndustryMember2024-11-012025-04-300000771497abm:FacilityServiceLineMemberabm:ManufacturingAndDistributionMember2024-11-012025-04-300000771497abm:FacilityServiceLineMemberabm:AviationMember2024-11-012025-04-300000771497abm:FacilityServiceLineMemberabm:EducationMember2024-11-012025-04-300000771497abm:FacilityServiceLineMemberabm:TechnicalSolutionsMember2024-11-012025-04-300000771497abm:FacilityServiceLineMember2024-11-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineOperationsAndMaintenanceMemberabm:BusinessAndIndustryMember2025-02-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineOperationsAndMaintenanceMemberabm:ManufacturingAndDistributionMember2025-02-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineOperationsAndMaintenanceMemberabm:AviationMember2025-02-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineOperationsAndMaintenanceMemberabm:EducationMember2025-02-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineOperationsAndMaintenanceMemberabm:TechnicalSolutionsMember2025-02-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineOperationsAndMaintenanceMember2025-02-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineOperationsAndMaintenanceMemberabm:BusinessAndIndustryMember2024-11-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineOperationsAndMaintenanceMemberabm:ManufacturingAndDistributionMember2024-11-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineOperationsAndMaintenanceMemberabm:AviationMember2024-11-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineOperationsAndMaintenanceMemberabm:EducationMember2024-11-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineOperationsAndMaintenanceMemberabm:TechnicalSolutionsMember2024-11-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineOperationsAndMaintenanceMember2024-11-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineBuildingAndEnergySolutionsMemberabm:BusinessAndIndustryMember2025-02-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineBuildingAndEnergySolutionsMemberabm:ManufacturingAndDistributionMember2025-02-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineBuildingAndEnergySolutionsMemberabm:AviationMember2025-02-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineBuildingAndEnergySolutionsMemberabm:EducationMember2025-02-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineBuildingAndEnergySolutionsMemberabm:TechnicalSolutionsMember2025-02-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineBuildingAndEnergySolutionsMember2025-02-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineBuildingAndEnergySolutionsMemberabm:BusinessAndIndustryMember2024-11-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineBuildingAndEnergySolutionsMemberabm:ManufacturingAndDistributionMember2024-11-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineBuildingAndEnergySolutionsMemberabm:AviationMember2024-11-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineBuildingAndEnergySolutionsMemberabm:EducationMember2024-11-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineBuildingAndEnergySolutionsMemberabm:TechnicalSolutionsMember2024-11-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineBuildingAndEnergySolutionsMember2024-11-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineMemberabm:BusinessAndIndustryMember2025-02-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineMemberabm:ManufacturingAndDistributionMember2025-02-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineMemberabm:AviationMember2025-02-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineMemberabm:EducationMember2025-02-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineMemberabm:TechnicalSolutionsMember2025-02-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineMember2025-02-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineMemberabm:BusinessAndIndustryMember2024-11-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineMemberabm:ManufacturingAndDistributionMember2024-11-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineMemberabm:AviationMember2024-11-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineMemberabm:EducationMember2024-11-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineMemberabm:TechnicalSolutionsMember2024-11-012025-04-300000771497abm:EngineeringAndInfrastructureServiceLineMember2024-11-012025-04-300000771497abm:BusinessAndIndustryMember2025-02-012025-04-300000771497abm:ManufacturingAndDistributionMember2025-02-012025-04-300000771497abm:AviationMember2025-02-012025-04-300000771497abm:EducationMember2025-02-012025-04-300000771497abm:TechnicalSolutionsMember2025-02-012025-04-300000771497abm:BusinessAndIndustryMember2024-11-012025-04-300000771497abm:ManufacturingAndDistributionMember2024-11-012025-04-300000771497abm:AviationMember2024-11-012025-04-300000771497abm:EducationMember2024-11-012025-04-300000771497abm:TechnicalSolutionsMember2024-11-012025-04-3000007714972026-05-012026-04-3000007714972027-05-01 2026-04-3000007714972025-08-012026-04-300000771497us-gaap:EmployeeSeveranceMember2025-10-310000771497abm:AssetImpairmentMember2025-10-310000771497us-gaap:OtherRestructuringMember2025-10-310000771497us-gaap:EmployeeSeveranceMember2025-11-012026-04-300000771497abm:AssetImpairmentMember2025-11-012026-04-300000771497us-gaap:OtherRestructuringMember2025-11-012026-04-300000771497us-gaap:EmployeeSeveranceMember2026-04-300000771497abm:AssetImpairmentMember2026-04-300000771497us-gaap:OtherRestructuringMember2026-04-300000771497us-gaap:RestrictedStockUnitsRSUMember2026-02-012026-04-300000771497us-gaap:RestrictedStockUnitsRSUMember2025-02-012025-04-300000771497us-gaap:RestrictedStockUnitsRSUMember2025-11-012026-04-300000771497us-gaap:RestrictedStockUnitsRSUMember2024-11-012025-04-300000771497us-gaap:PerformanceSharesMember2026-02-012026-04-300000771497us-gaap:PerformanceSharesMember2025-02-012025-04-300000771497us-gaap:PerformanceSharesMember2025-11-012026-04-300000771497us-gaap:PerformanceSharesMember2024-11-012025-04-300000771497us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2026-04-300000771497us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2025-10-310000771497us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2026-04-300000771497us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2025-10-310000771497us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2026-04-300000771497us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2025-10-3100007714972025-08-012025-10-310000771497srt:MinimumMember2026-04-300000771497srt:MaximumMember2026-04-300000771497abm:AllOtherClaimTypesExcludingMedicalAndDentalSelfInsuranceProgramMember2026-04-300000771497abm:AllOtherClaimTypesExcludingMedicalAndDentalSelfInsuranceProgramMember2025-10-310000771497abm:MedicalAndDentalSelfInsuranceProgramMember2026-04-300000771497abm:MedicalAndDentalSelfInsuranceProgramMember2025-10-310000771497us-gaap:StandbyLettersOfCreditMember2026-04-300000771497us-gaap:StandbyLettersOfCreditMember2025-10-310000771497abm:SuretyBondsAndSuretyBackedLettersOfCreditMember2026-04-300000771497abm:SuretyBondsAndSuretyBackedLettersOfCreditMember2025-10-310000771497us-gaap:DepositsMember2026-04-300000771497abm:CreditFacilityMember2026-04-300000771497abm:CreditFacilityMember2025-10-310000771497us-gaap:RevolvingCreditFacilityMemberabm:CreditFacilityMemberus-gaap:LineOfCreditMember2017-08-310000771497abm:CreditFacilityMember2017-09-012017-09-010000771497us-gaap:RevolvingCreditFacilityMemberabm:CreditFacilityMemberus-gaap:LineOfCreditMember2017-09-010000771497abm:CreditFacilityMemberus-gaap:LoansPayableMember2017-09-010000771497us-gaap:RevolvingCreditFacilityMemberabm:CreditFacilityMemberus-gaap:LineOfCreditMember2018-09-010000771497us-gaap:RevolvingCreditFacilityMemberabm:CreditFacilityMemberus-gaap:LineOfCreditMember2021-06-280000771497abm:CreditFacilityMemberus-gaap:LoansPayableMember2021-06-280000771497us-gaap:RevolvingCreditFacilityMemberabm:CreditFacilityMemberus-gaap:LineOfCreditMember2025-02-250000771497us-gaap:RevolvingCreditFacilityMemberabm:CreditFacilityMemberus-gaap:LineOfCreditMember2025-02-260000771497abm:CreditFacilityMemberus-gaap:LoansPayableMember2025-02-250000771497abm:CreditFacilityMemberus-gaap:LoansPayableMember2025-02-260000771497us-gaap:StandbyLettersOfCreditMemberabm:CreditFacilityMember2025-02-260000771497abm:SwingLineLoanMemberabm:CreditFacilityMember2025-02-260000771497us-gaap:RevolvingCreditFacilityMemberabm:CreditFacilityMembersrt:MinimumMemberus-gaap:LineOfCreditMember2025-02-262025-02-260000771497us-gaap:RevolvingCreditFacilityMemberabm:CreditFacilityMembersrt:MaximumMemberus-gaap:LineOfCreditMember2025-02-262025-02-260000771497us-gaap:LineOfCreditMemberus-gaap:AssetPledgedAsCollateralMemberabm:CreditFacilityMember2025-02-260000771497abm:CreditFacilityMember2025-02-260000771497abm:CreditFacilityMemberus-gaap:ScenarioPlanMember2025-02-2600007714972025-02-260000771497us-gaap:LoansPayableMember2025-02-260000771497us-gaap:LineOfCreditMember2025-02-260000771497abm:FirstIncrementalTermLoanMemberus-gaap:LoansPayableMember2026-02-030000771497us-gaap:LoansPayableMember2026-02-012026-04-300000771497us-gaap:LoansPayableMember2026-04-300000771497abm:InterestRateSwapEffective292022Member2022-02-090000771497abm:InterestRateSwapEffective2252022Member2022-02-250000771497abm:InterestRateSwapEffective542022Member2022-05-040000771497abm:InterestRateSwapEffective772022Member2022-07-070000771497abm:InterestRateSwapEffective7182022Member2022-07-180000771497abm:InterestRateSwapEffective1112022Member2022-11-010000771497abm:InterestRateSwapEffective0422026Member2026-04-020000771497abm:InterestRateSwapEffective0422026Member2026-04-300000771497us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2025-11-012026-04-300000771497us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2024-11-012025-10-3100007714972025-09-030000771497abm:EnergySavingsContractsMember2026-04-300000771497us-gaap:PendingLitigationMember2026-04-300000771497us-gaap:OperatingSegmentsMemberabm:BusinessAndIndustryMember2026-02-012026-04-300000771497us-gaap:OperatingSegmentsMemberabm:ManufacturingAndDistributionMember2026-02-012026-04-300000771497us-gaap:OperatingSegmentsMemberabm:AviationMember2026-02-012026-04-300000771497us-gaap:OperatingSegmentsMemberabm:EducationMember2026-02-012026-04-300000771497us-gaap:OperatingSegmentsMemberabm:TechnicalSolutionsMember2026-02-012026-04-300000771497us-gaap:OperatingSegmentsMember2026-02-012026-04-300000771497us-gaap:CorporateNonSegmentMember2026-02-012026-04-300000771497us-gaap:MaterialReconcilingItemsMember2026-02-012026-04-300000771497us-gaap:OperatingSegmentsMemberabm:BusinessAndIndustryMember2025-11-012026-04-300000771497us-gaap:OperatingSegmentsMemberabm:ManufacturingAndDistributionMember2025-11-012026-04-300000771497us-gaap:OperatingSegmentsMemberabm:AviationMember2025-11-012026-04-300000771497us-gaap:OperatingSegmentsMemberabm:EducationMember2025-11-012026-04-300000771497us-gaap:OperatingSegmentsMemberabm:TechnicalSolutionsMember2025-11-012026-04-300000771497us-gaap:OperatingSegmentsMember2025-11-012026-04-300000771497us-gaap:CorporateNonSegmentMember2025-11-012026-04-300000771497us-gaap:MaterialReconcilingItemsMember2025-11-012026-04-300000771497us-gaap:OperatingSegmentsMemberabm:BusinessAndIndustryMember2025-02-012025-04-300000771497us-gaap:OperatingSegmentsMemberabm:ManufacturingAndDistributionMember2025-02-012025-04-300000771497us-gaap:OperatingSegmentsMemberabm:AviationMember2025-02-012025-04-300000771497us-gaap:OperatingSegmentsMemberabm:EducationMember2025-02-012025-04-300000771497us-gaap:OperatingSegmentsMemberabm:TechnicalSolutionsMember2025-02-012025-04-300000771497us-gaap:OperatingSegmentsMember2025-02-012025-04-300000771497us-gaap:CorporateNonSegmentMember2025-02-012025-04-300000771497us-gaap:MaterialReconcilingItemsMember2025-02-012025-04-300000771497us-gaap:OperatingSegmentsMemberabm:BusinessAndIndustryMember2024-11-012025-04-300000771497us-gaap:OperatingSegmentsMemberabm:ManufacturingAndDistributionMember2024-11-012025-04-300000771497us-gaap:OperatingSegmentsMemberabm:AviationMember2024-11-012025-04-300000771497us-gaap:OperatingSegmentsMemberabm:EducationMember2024-11-012025-04-300000771497us-gaap:OperatingSegmentsMemberabm:TechnicalSolutionsMember2024-11-012025-04-300000771497us-gaap:OperatingSegmentsMember2024-11-012025-04-300000771497us-gaap:CorporateNonSegmentMember2024-11-012025-04-300000771497us-gaap:MaterialReconcilingItemsMember2024-11-012025-04-300000771497abm:RaulValentinMember2026-02-012026-04-300000771497abm:RaulValentinMember2026-04-30\n\nUNITED STATES\n\nSECURITIES AND EXCHANGE COMMISSION\n\nWashington, D.C. 20549\n\n__________________________\n\nFORM 10-Q\n\n(Mark One)\n\n☑QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934\n\nFor the quarterly period ended April 30, 2026\n\nor\n\n☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934\n\nFor the transition period from              to             \n\nCommission File Number: 1-8929 \n\nABM INDUSTRIES INCORPORATED\n\n(Exact name of registrant as specified in its charter)\n\nDelaware\n\n94-1369354\n\n(State or other jurisdiction of\nincorporation or organization)(I.R.S. Employer\nIdentification No.)\n\n__________________________\n\nOne Liberty Plaza, 7th Floor\n\nNew York, New York 10006\n\n(Address of principal executive offices)\n\n(212) 297-0200\n\n(Registrant’s telephone number, including area code)\n\nNone\n\n(Former name, former address and former fiscal year, if changed since last report)\n\n__________________________\n\nSecurities registered pursuant to Section 12(b) of the Act:\n\nTitle of each classTrading SymbolName of each exchange on which registered\n\nCommon Stock, $0.01 par valueABMNew York Stock Exchange\n\nIndicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes  ☑    No  ☐ \n\nIndicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).    Yes  ☑    No  ☐ \n\nIndicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.\n\nLarge accelerated filer☑Accelerated filer☐Non-accelerated filer☐Smaller reporting company☐Emerging growth company☐\n\nIf an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐\n\nIndicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).   Yes   ☐  No ☑\n\nNumber of shares of the registrant’s common stock outstanding as of June 4, 2026: 58,580,923\n\nABM INDUSTRIES INCORPORATED AND SUBSIDIARIES\n\nTABLE OF CONTENTS\n\nFORWARD-LOOKING STATEMENTS\n[1](#i2aa0e6e323b64383acb36c785cfab147_10)\n\nPART I. FINANCIAL INFORMATION\n[3](#i2aa0e6e323b64383acb36c785cfab147_13)"}