- PB Americas Inc.
- Mactec
- Kennedy-Jenks
- Lennar Homes
- HQE
- Harris & Associates
- DKS Associates
- S&C Engineers
- Washington Group
- QKA Architects
- TY Lin
- HDR
- CH2M Hill
- TLCD Architects
- Parsons Transportation
- Vali Cooper & Associates
- DMJM + Harris / Metcalf & Eddy
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- Army Corps of Engineers
- Presidio Trust
- Golden Gate Parks
- ACTA/ACTIA
- CCTA
- Caltrans
- Caltrain
- Napa Sanitation District
- U.S. Navy – Western Div.
- Nevada Dept. of Transportation
- Napa County Flood Control &
- Water Conservation District
- School Districts:
- San Francisco, Napa Valley,
- Tamalpais, Vallejo City
- Vallejo Sanitation & Flood Control District
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