Representative clients include:

Government United States Navy United States Army CA Department of Toxic Substances Control California Regional Water Board Contra Costa County City of Richmond City of Oakland City of San Jose	Environmental Consultants URS Corporation Harding Lawson Associates Mactec Lowney Associates Tetra Tech Ninyo & Moore
Real Estate Developers Shea Homes West Coast Builders East Bay Asian Land Developers	Utilities & Services American Standard Pacific Gas & Electric East Bay Municipal Utility District West Contra Costa Landfill