- Orange County Water District
- City of Los Angeles
- Inland Empire Utilities Agency
- Metro Transit Authority, Los Angeles
- Metropolitan Water District
- City of San Marino
- City of Irvine
- City of Alhambra
- Long Beach Airport (City of Long Beach)
- Ontario Airport (Los Angeles World Airport)
- Raytheon, Van Nuys Airport
- City of La Habra Heights
- City of Irwindale
- Bureau of Land Management
- Southern California Edison
- County of Los Angeles
- Haynes power Plant (LA Department of Water and Power)
- High Desert Power Plant
- California Department of Transportation
- Long Beach Water District
- City of san Fernando
- LA County Sanitation District
- California Department of General Services
- Santa Ana USD
- Los Angeles USD
- Palos Verdes USD
- Antelope Valley USD
- ABC School District
- Placentia Yorba Linda School District
- Saddleback Valley USD
- Glendora USD
- Los Alamitos USD
- Huntington Beach USD
- Whittier USD
- Glendale USD
- LA County Office of Education
- Murrieta Valley USd
- Fullerton USD
- University of California, Los Angeles
- University of California, Irvine
- University of California, San Diego
- California State University, Long Beach
- California Polytechnic University, Pomona
- Orange Coast College
- West LA College
- Mt. San Jacinto College
- Mt. san Antonio College
- Chapman University
- University of Synagogue
- Los Angeles College Community District
- Kaiser, Panorama City
- American Red Cross
- Kaiser, San Diego
- Alicia Surgery Center
- Kaiser South Bay Campus
- White Memorial Hospital
- Kaiser, Diamond Bar
- Sierra Vista Hospital
- Parnell Medical Plaza
- Canyon Ridge Hospital
- Universal Health Services
- Walgreen's
- Associated ready Mix
- The Irvine Company
- Albertsons
- Kaylind Commercial
- Bank of America
- Smurfit Stone
- Lowe's
- Aramark
- Valley View Casino and Hotel
- Target
- Carl Karcher Enterprises
- Fisher Scientific
- Baccus Development
- Garden Communities
- Leisure World
- FedEx
- General Mills
- Pratt & Whitney Rocketdyne
