EX-21.1 12 f86502exv21w1.txt EXHIBIT 21.1 EXHIBIT 21.1 SUBSIDIARIES OF REGISTRANT AS OF OCTOBER 31, 2002
Percentage of Voting Securities State of Owned by Name Incorporation Immediate Parent ----------------------------------------------------------------------------------------------------------------- ABM Industries Incorporated Delaware Registrant (*) ABM Co. of Boston California 100% ABM Engineering Services Company California 100% ABM Facility Services Company California 100% ABM Global Facility Services California 100% ABM Janitorial Services - Northern California California 100% ABM Janitorial Services Co., Ltd. Brit. Columbia 100% ABM Lakeside, Inc. California 100% ABM Payroll Service, Inc. California 100% ABM Supply Company** California 100% American Building Maintenance Co. California 100% American Building Maintenance Co. of Georgia California 100% American Building Maintenance Co. of Hawaii** California 100% Allied Maintenance Services, Inc. Hawaii 100% American Building Maintenance Co. of Illinois California 100% American Building Maintenance Co. of Kentucky** California 100% American Building Maintenance Co. of New York California 100% American Building Maintenance Co. of New York - Manhattan California 100% American Building Maintenance Co. of Utah** California 100% American Building Maintenance Co. - West California 100% American Public Services California 100% American Commercial Security Services of New York, Inc. California 100% American Security and Investigative Services, Inc.** California 100% ABMI Security Services, Inc. California 100% American Commercial Security Services, Inc. California 100% Ampco System Parking California 100% Amtech Elevator Services California 100% Amtech Energy Services** California 100% Amtech Lighting & Electrical Services California 100% Amtech Lighting Services California 100% Amtech Lighting Services of the Midwest California 100% Amtech Reliable Elevator Company of Texas** Texas 100% Beehive Parking, Inc.** Utah 100% Bonded Maintenance Company Texas 100% Bradford Building Services, Inc. California 100% Canadian Building Maintenance Company, Ltd.** Brit. Columbia 100% Supreme Building Maintenance, Ltd. Brit. Columbia 100% CommAir Mechanical Services California 100% Commercial Air Conditioning of Northern California, Inc.** California 100% Commecail Property Services, Inc. ** California 100% Servall Services, Inc. Texas 100% System Parking, Inc.** California 100% Towel and Linen Service, inc.** California 100%
(*) Subsidiary relationship to registrant or to subsidiary parents shown by progressive indentation. ** Inactive companies