ENGINEERS / ARCHITECTS
- Akol and Yoshii Architects
- BCA Architects
- Black & Veatch
- Brian Kangas Foulk
- Brown & Caldwell
- Camp, Dresser & McKee
- Carlson, Barbee & Gibson, Inc.
- Carollo Engineers
- Finn Design Group, Inc.
- Freyer & Laureta, Inc.
- Harris & Associates, Inc.
- Hatch Mott MacDonald
- HDR Engineering, Inc.
- ICI Engineers
- Jacobs Engineering Group, Inc.
- Kennedy Jenks Consultants
- Kier & Wright Engineers
- Kiewet Power Engineers
- Kimley-Horn and Associates, Inc.
- Lee & Ro, Inc.
- Loving & Campos Architects, Inc.
- LPA, Inc.
- Marx Okubo Associates, Inc.
- Montgomery Watson Harza Engineers
- NorthStar Engineering
- O’Dell Engineering
- Pipeline Systems, Inc.
- RMC Water and Environment
- Ruggeri-Jensen-Azar and Associates
- SERA
- Schaaf & Wheeler
- Stantec
- Toxicological & Environmental Associates, Inc.
- West Yost & Associates
- Winzler & Kelly
PRIVATE INDUSTRY
- Bay Cities Paving and Grading
- Benicia Plumbing
- Bay Area Rapid Transit District
- CBRE Asset Services
- Community Presbyterian Church
- Dow Chemical, USA
- Dupont
- Ellerbe Becket
- Florez Paving
- Harbor Point Racquet and Beach Club
- Hitachi Global Storage Technologies
- Kenmark Real Estate Group
- Lockheed Martin Corporation
- Northbay Healthcare
- Marchem Technologies
- Skatetown Ice Rink
- SolarWorld Americas
- SPG Solar, Inc.
- NBC – Universal
- Performance Systems, Inc.
- United Spiral Pipe
- Waikii Ranch
GEOTECHNICAL ENGINEERS
- BACE Geotechnical
- Berlogar Geotechnical
- Cornerstone Earth Group
- ENGEO Inc.
- Geomatrix
- Hultgen Tillis Engineers
- Kleinfelder, Inc.
- Ninyo & Moore
- Robert Y. Chew Geotechnical
- Rutherford & Chekene
- Stevens, Ferrone & Bailey Engineering
- TRC Lowney
- Treadwell & Rollo Engineers
MUNICIPALITIES / PUBLIC AGENCIES
- California Dept. of Water Resources
- Central Contra Costa Sanitary District
- Central Marin Sanitation Agency
- City of Berkeley
- City of Brentwood
- City of Davis
- City of Fairfield
- City of Las Vegas Water Pollution Control Facility
- City of Marina
- City of Milpitas
- City of Napa
- City of San Bruno
- City of Vacaville
- City of Woodland
- City of Yuba City
- Contra Costa Water District
- County of Sonoma
- Delta Diablo Sanitation District
- Diablo Water District
- Dublin San Ramon Services District
- East Bay MUD
- Fairfield-Suisun Sewer District
- Gilroy Unified School District
- Golden Gate Bridge, Highway and Transportation District
- Kanawah Water District
- North Coast County Water District
- Pacific Gas and Electric Company
- PG&E Diablo Canyon Nuclear Power Plant
- Placer County Water Agency
- Sacramento Regional Sanitation District
- San Francisco Public Utilities Commission – Water Department
- San Benito County Water District
- San Luis Water District
- Santa Clara Valley Water District
- San Juan Water District
- San Rafael Sanitation District
- Sonoma County Water Agency
- South San Joaquin Irrigation District
- South Tahoe Public Utility District
- Zone 7 Water Agency
DEVELOPERS
- Centex Homes
- Classic Communities, Inc.
- Claremont Homes
- D. R. Horton
- DeNova Homes
- Eden Housing
- Hathaway Dinwiddie Construction
- Hawkeye BuildersSyncon Homes
- James E. Roberts – Obayashi Corporation
- Jonathan Homes
- Menlo Oaks Corporation
- Meritage Homes
- Mozingo Construction, Inc.
- O’Brien Homes
- OPUS Commercial Properies
- Pacific Communities
- Pacific Properties, Inc.
- Project Management Advisors
- Prometheus Real Estate Group
- Pulte Home Corporation
- Richmond American Homes
- Ryan Associates
- Ryder Homes
- Shapell Industries of Northern California
- Shea Homes
- Silverwing Development
- Summer Hill Homes
- Teichert Construction
- Venture Corporation
- Watt Communities
- Western Pacific Housing Equus Group