Public Agencies
- Agricultural and Natural Resources (ANR) - University of California, Davis
- Arizona Department of Transportation (ADOT), Arizona*
- Arizona Public Service (APS), Arizona
- Arizona Water Company
- Bard Water District, California*
- Buckeye Water Conservation and Drainage District*
- California Department of Transportation (CALTRANS)
- Citizens Congressional Task Force on the New River, California*
- Central Arizona College – San Tan Branch
- Central Arizona Irrigation and Drainage District (CAIDD), Arizona*
- Central Arizona Project (CAP)*
- The Church of Jesus Christ of Latter-Day Saints
- City of Avondale, Arizona
- City of Casa Grande, Arizona*
- Public Works
- City of Coolidge, Arizona*
- City of Eloy
- City of Goodyear, Arizona*
- City of Holtville, California*
- City of Mesa*
- City of Somerton, Arizona*
- City of Yuma, Arizona*
- Development Services
- Public Works
- Colorado River Indian Tribes (CRIT)*
- Cortaro-Marana Irrigation District (C-MID)*
- Department of the Navy - Marine Corps Air Station, Yuma, Arizona
- Desert Research and Extension Center (DREC) - University of California, El Centro
- Electrical District No. 2
- 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 County
- Imperial Irrigation District (IID), California*
- Water Department
- Energy Department
- Irrigation Joint Works - Joint Control Board
- Maricopa County Department of Transportation (MCDOT)*
- Maricopa-Stanfield Irrigation and Drainage District (MSIDD), Arizona*
- Maricopa Water District, Arizona*
- Metropolitan Domestic Water Improvement District
- Metropolitan Water District (MWD)*
- Metropolitan Water District of Southern California
- Middle Rio Grande Endangered Species Collaborative Program (MRGESCP), New Mexico
- MWD Program Coordinating Committee, Arizona*
- New Magma Irrigation and Drainage District (NMID), Arizona*
- Palo Verde Irrigation District, California
- Pinal County, Arizona*
- Pinal County Flood Control District
- Queen Creek High School #3
- Queen Creek Irrigation District (QCID), Arizona*
- Queen Creek Unified School District
- Salt River Project (SRP)*
- San Carlos Irrigation and Drainage District (SCIDD), Arizona*
- San Carlos Irrigation Project (SCIP)*
- San Xavier District of the Tohono O'odham Nation
- Tohono O'odham Nation - San Xavier Cooperative Association
- Town of Florence
- Town of Gila Bend, Arizona *
- Town of Marana, Arizona*
- Town of Niagara on the Lake, Canada
- Town of Queen Creek*
- Public Works
- Tucson Electric Power (TEP)*
- Unit B Irrigation and Drainage District, Arizona*
- United Pacific Railroad (UPRR), Arizona
- United States Bureau of Reclamation (Reclamation)*
- University of California - Davis
- Wellton-Mohawk Irrigation and Drainage District (WMIDD), Arizona*
- Westlands Water District*
- Wild Horse Pass Development Authority (WHPDA), Arizona*
- Yuma County Department of Developmental Services*
- Yuma County Flood Control District (YCFCD), Arizona*
- Yuma County Water Users’ Association (YCWUA), Arizona*
- Yuma Mesa Irrigation District (YMID), Arizona
*signifies repeat client