Nature of Business	3 Months Ended
Jan. 31, 2013
Nature of Business	1. NATURE OF BUSINESS ABM Industries Incorporated, together with its consolidated subsidiaries (hereinafter collectively referred to as “ABM,” “we,” “us,” “our,” or the “Company”), is a leading provider of end-to-end integrated facility solutions services to thousands of commercial, governmental, industrial, institutional, retail, and residential facilities located primarily throughout the United States. The Company’s comprehensive capabilities include expansive facility solutions, energy solutions, commercial cleaning, maintenance and repair, HVAC, electrical, landscaping, parking, and security services, provided through stand-alone or integrated solutions. The Company was reincorporated in Delaware on March 19, 1985, as the successor to a business founded in California in 1909.

Nature of Business

3 Months Ended

Jan. 31, 2013

1. NATURE OF BUSINESS

ABM Industries Incorporated, together with its consolidated subsidiaries (hereinafter collectively referred to as “ABM,” “we,” “us,” “our,” or the “Company”), is a leading provider of end-to-end integrated facility solutions services to thousands of commercial, governmental, industrial, institutional, retail, and residential facilities located primarily throughout the United States. The Company’s comprehensive capabilities include expansive facility solutions, energy solutions, commercial cleaning, maintenance and repair, HVAC, electrical, landscaping, parking, and security services, provided through stand-alone or integrated solutions. The Company was reincorporated in Delaware on March 19, 1985, as the successor to a business founded in California in 1909.