WEST's clients include:
- American Empire Surplus Insurance Company
- American Brass & Iron Foundry
- ASARCO, Inc.
- Baxter Healthcare Corp.
- Chevron Corporation
- Children's Hospital of Oakland
- City of Oakland, California
- DeSilva Group, LLC
- Dumbarton Quarry Associates
- East Bay Regional Park District
- Folger, Levin & Kahn, LLP
- Home Insurance
- Liberty Mutual
- Mare Island Golf Course
- McCutchen, Doyle, Brown & Enersen, LLP
- Morrison & Foerster
- Nossaman, Guthner, Knox & Elliott
- Omaha Indemnity
- Pacific Galvanizing
- Pitt-Des Moines Steel
- Putah Creek Resort
- Regis Homes of Northern California
- San Joaquin Steel
- Shea Homes
- Short's Metal and Scrap Iron
- Trend Technologies
- Ultramar-Diamond Shamrock
- United States Department of Housing and Urban Development
- Wickland Oil Company
- West County Landfill