- Department of the Navy
- Naval Facilities Engineering Command (NAVFAC) Pacific
- Naval Facilities Engineering Command (NAVFAC) Hawaii
- Naval Facilities Engineering Command (NAVFAC) Marianas
- Naval Facilities Engineering Command (NAVFAC) Far East
- Department of the Army
Hawaii State Government
- Department of Accounting and General Services
- Department of Education
- Department of Hawaiian Homelands
- Department of Health
- Department of Land and Natural Resources
- Housing & Community Development Corp. of Hawaii
- University of Hawaii at Hilo
- University of Hawaii at Manoa
- University of Hawaii at West Oahu
City & County of Honolulu
- Department of Design and Construction
- Department of Environmental Services
- Department of Planning and Permitting
- Department of Transportation Services
- Honolulu Board of Water Supply
County of Hawaii
- Department of Environmental Management
- Department of Public Works
- Department of Water Supply
- A & B Properties, Inc.
- Aina Nui Corporation
- Actus Lend Lease
- Castle & Cooke Homes Hawaii, Inc.
- Castle & Cooke Properties, Inc.
- Dole Plantation
- Dillingham Ranch
- Gentry Homes
- Kapolei Property Development LLC
- Kohala Preserve Conservation Trust LLC
- Kukio Bay Development
- Molokai Ranch Properties Ltd.
- Queens Medical Center
- Schuler Homes
- South Kohala Wastewater Corp.