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THE COMPANY AND NATURE OF OPERATIONS	12 Months Ended
Oct. 31, 2011
THE COMPANY AND NATURE OF OPERATIONS	1. THE COMPANY AND NATURE OF OPERATIONS ABM Industries Incorporated (“ABM”), through its subsidiaries (collectively, the “Company”), is a leading provider of end-to-end integrated facilities management services for commercial, industrial, institutional, governmental and retail facilities, primarily throughout the United States. The Company was reincorporated in Delaware on March 19, 1985, as the successor to a business founded in California in 1909.

THE COMPANY AND NATURE OF OPERATIONS

12 Months Ended

Oct. 31, 2011

1. THE COMPANY AND NATURE OF OPERATIONS

ABM Industries Incorporated (“ABM”), through its subsidiaries (collectively, the “Company”), is a leading provider of end-to-end integrated facilities management services for commercial, industrial, institutional, governmental and retail facilities, primarily throughout the United States. The Company was reincorporated in Delaware on March 19, 1985, as the successor to a business founded in California in 1909.