- Southern California District Council of Laborers
- Laborers-Employers Cooperation and Education Trust Southwest
- Laborers Training School of Southern California
- Laborers’ Health and Safety Fund of North America, Occupational Safety and Health
- Laborers’ International Union of North America
- State Building & Construction Trades Council of California
- WCIRB California – Workers’ Compensation Insurance Rating Bureau of California
- California Contractors State License Board
- California Department of Industrial Relations
- California Department of Insurance
- Cal-OSHA Reporter – most widely read publication on occupational safety and health in California
- Compline – X–Mods from the source
- Workers’ Comp Executive – journal of record for the California workers’ comp industry