Public Agencies
- Agricultural and Natural Resources (ANR) - University of California, Davis
- Arizona Department of Transportation (ADOT), Arizona*
- Arizona Public Service (APS), Arizona
- Bard Water District, California*
- Citizens Congressional Task Force on the New River, California*
- Central Arizona Irrigation and Drainage District (CAIDD), Arizona*
- Central Arizona Project (CAP)*
- City of Avondale, Arizona
- City of Coolidge, Arizona
- City of Goodyear, Arizona
- City of Holtville, California
- City of Somerton, Arizona*
- City of Yuma, Arizona*
- Development Services
- Public Works
- Colorado River Indian Tribes (CRIT)
- Department of the Navy - Marine Corps Air Station, Yuma, Arizona
- Desert Research and Extension Center (DREC) - University of California, El Centro
- Electrical District No. 3
- FBI
- Gila River Indian Community (GRIC), Arizona*
- Tribal Projects
- Public Works Department
- Health Care Corporation
- GRIC Pima-Maricopa Irrigation Project, Arizona*
- Harquahala Valley Irrigation District (HVID)
- Hohokam Irrigation and Drainage District (HIDD), Arizona*
- Imperial Irrigation District (IID), California*
- Water Department
- Energy Department
- Maricopa-Stanfield Irrigation and Drainage District (MSIDD), Arizona*
- Maricopa Water District, Arizona*
- Marine Corp. Air Station
- Metropolitan Water District (MWD)*
- Metropolitan Water District of Southern California
- MWD Program Coordinating Committee, Arizona*
- New Magma Irrigation and Drainage District (NMID), Arizona*
- Palo Verde Irrigation District, California
- Pinal County, Arizona*
- Queen Creek Irrigation and Drainage District (QCIDD), Arizona*
- Salt River Project
- San Carlos Irrigation and Drainage District (SCIDD), Arizona*
- San Carlos Irrigation Project (SCIP)*
- Town of Gila Bend, Arizona *
- Town of Marana, Arizona
- Town of Niagara on the Lake, Canada
- United Pacific Railroad (UPRR), Arizona
- US Bureau of Reclamation (Reclamation)
- Wellton-Mohawk Irrigation and Drainage District (WMIDD), Arizona*
- Yuma County Flood Control District (YCFCD), Arizona*
- Yuma County Water Users’ Association (YCWUA), Arizona*
- Yuma Mesa Irrigation District (YMID), Arizona
*signifies repeat client