Company Story
1914 - ABM Industries Incorporated was founded by Morris Rosenberg in San Francisco, California as a small janitorial service company.
1920s - The company expanded its services to include window cleaning, porter services, and general maintenance.
1950s - ABM Industries Incorporated began to expand nationally, opening offices in major cities across the United States.
1960s - The company went public with an initial public offering (IPO) and was listed on the American Stock Exchange.
1970s - ABM Industries Incorporated expanded its services to include energy management, HVAC, and electrical services.
1980s - The company began to focus on providing integrated facility services to large commercial and industrial clients.
1990s - ABM Industries Incorporated expanded globally, opening offices in Canada, Europe, and Asia.
2000s - The company acquired several companies, expanding its services to include security, parking, and aviation services.
2010s - ABM Industries Incorporated continued to expand its services, including the acquisition of The Linc Group and Omni Facility Services.