- Boyle Engineering Corporation
- The Branum Group
- Lyle Brewer Engineering
- Castle & Cooke Development, Inc.
- Centex Homes
- CH2M Hill
- Clifford & Brown
- Craftsman Homes
- Dairyman's
- Desert Aggregate
- DKS Associates
- Donahue Schriber
- EDAW
- Fugro West, Inc.
- Greenberg Farrell
- Hurlbutt, Clevenger, Long & Vortmann
- Joaquin Valley Estates
- KB Home
- Kitchell Development
- Lennar Corporation
- Robert Karn & Associates
- Kaweah Delta District Hospital
- Korve Engineering
- Lane Engineering
- Luddin Development
- Mangano Company
- Nelson Properties
- Nestor Traffic Systems
- OSAT, Inc.
- Pacific Pearson Realty
- Paloma Development
- Provost & Pritchard Engineering Group, Inc.
- Quad Knopf
- Richland Strahm Engineering
- Shaw Environmental, Inc.
- Thomason Development Co.
- TRC
- Tri-Wall California
- Westland Development