• Swinerton Builders
• Hathaway Dinwiddie Construction
• Turner Construction
• Peacock Construction
• Richlen Construction
• R. N. Field Construction
• John Cressa & Sons
• Dome Construction Corp.
• G. C. I. General Contractors
• Venture Builders
• Rossi Builders
• The Fine Line Group Inc.

Building Owners & Property Managers:

• Boston Properties
• Lowe Enterprises Real Estate Services
• Equity Office Properties
• Levi Strauss & Co.
• Hines Interests
• Shorenstein Realty Services
• Cushman & Wakefield of California
• Grand Hyatt San Francisco
• Hyatt Regency San Francisco
• City and County of San Francisco

Service Clients:

• Aon Risk Management
• Bain& Co.
• CB Richard Ellis
• Pavillion Christofle
• Chinese Hospital
• Jones, Lang, LaSalle
• Emporio Armani
• GATX Capital
• Gordon & Rees
• Ghiradelli Square
• Harsch Investment
• Hornblower Yachts
• JMA Properties
• Presidio Trust
• PM Realty
• Prada
• State Comp. Insurance Fund
• San Francisco Food Bank
• St. Luke's
• Tech TV
• Tiffany & Co.