Steven M. Zaccagnini

Part of ABM Industries, Inc., ABM Facility Services, Inc. provides facilities support management services. The company is based in San Diego, CA.

Part of ABM Industries, Inc., ABM Security Services, Inc. is a company that specializes in providing security services. The company is based in San Francisco, CA.

Part of Carrier Global Corp., CommAir Mechanical Services is a company that repairs and installs heating, ventilation, air conditioning, and refrigeration equipment and systems for commercial, industrial, and institutional facilities. The company is based in San Francisco, CA. CommAir Mechanical Services was acquired by Carrier Corp. from ABM Industries, Inc. on June 03, 2005 for $32 million.

Towne Park LLC provides staffing and managed parking services to the hospitality industry. It offers parking, shuttle, internal transport, patient transport, and employee concierge services. The firm serves healthcare, hotels, commercial, airport, restaurant and residential markets. The company was founded by Jerry B. South in 1988 and is headquartered in Conshohocken, PA.

Amtech Lighting Services provides lighting services for commercial, industrial, and institutional facilities. The company is based in Anaheim, CA. Amtech Lighting Services was acquired by Sylvania Lighting Services Corp., a SUB of ams-OSRAM AG from ABM Industries, Inc. on October 31, 2008.