- Air Treatment Corporation
- Aliso Electric, Inc.
- Allied Argenta Development Co.
- ATI Architects, Inc.
- Atek Construction, Inc.
- Bayside Builders, Inc.
- Bischoff Sheet Metal, Inc.
- Bledsoe Masonry, Inc.
- C.S. Legacy Construction, Inc.
- Cal-Air, Inc.
- Cal West Landscape, Inc.
- Cal West Nurseries, Inc.
- Champion Fire Systems, Inc.
- Conrak Erectors, Inc.
- Contractors Labor Pool
- Control Air Conditioning Corporation
- Couts Heating & Cooling, Inc.
- CHI Construction, Inc.
- Custom Air Systems
- Custom Metal Fabricators, Inc.
- D. Burke Mechanical Corp.
- D.B.O. Development Company
- DenBoer Engineering & Construction, Inc.
- DE/EN/CON Construction, Inc.
- Desert Mechanical, Inc.
- Dittemore Insulation Co., Inc.
- Dolan Construction Co., Inc.
- Elljay Acoustics, Inc.
- Empire Steel Company
- Equal Air Balance Co., Inc.
- Frazier Masonry Corporation
- Gail Materials, Inc.
- Golden State Excavation, Inc.
- H. J. Martin & Son, Inc.
- Hackney Electric, Inc.
- Harwood Construction, Inc.
- Heritage Plastering, Inc.
- Howe Electric Construction, Inc.
- Inline Mechanical, Piping Inc.
- Innovative Construction Solutions
- J & J Air Conditioning, Inc.
- Johnson Controls, Inc.
- Kajima Engineering, Inc.
- Kaveh Engineering & Construction, Inc.
- Kiewit Pacific Corporation
- Kiewit Infrastructure West
- Labor Ready, Inc.
- Lance-Kashian & Company Development
- Lewis Jorge Construction Management, Inc.
- Madison Paving, Inc.
- MCA Architects
- Mercer Construction Corp.
- Mark IV Capital Developers, Inc.
- McKinney Wall Systems, Inc.
- Minnesota Park Construction Co.
- Moon & Crockett Plumbing, Inc.
- Moore Electrical Contracting
- Mountain States Steel
- Nationwide Lifts, Inc.
- Newman Midland Construction
- Nova Drywall Systems, Inc.
- Orco Block Company
- Orosco Development Company
- Patton Sheet Metal, Inc.
- Pinner Construction Co., Inc.
- Plenums Plus, Inc.
- Porterville Unified School District
- Powerco Electric, Inc.
- Pulsar Development, Inc.
- Regency Plumbing, Inc.
- Reservation Transportation Authority
- RMD Rebar, Inc.
- Ron Shoffeit Masonry
- Roofing Standards, Inc.
- Roy Allen Slurry Seal, Inc.
- Sanders Engineering Co., Inc.
- Sandoval Pipeline Co., Inc.
- S. C. Anderson, Inc.
- Selleck Properties, Inc.
- South Coast V Ditch
- South Coast Mechanical, Inc.
- Stolo Cabinets, Inc.
- Sunpeak Construction Co., Inc.
- Superior Paving
- Tardiff Sheet Metal Corp.
- The McIntyre Company
- Tolladay Corporation
- TLM Petro Labor Force, Inc.
- Vern Perry Asphalt Paving, Inc.
- Viking Pool Company
- West Coast Drywall, Inc.
- Western Allied Mechanical Corp.
- Westland Heating & Air Conditioning
- White Cap Supply