Who we work for
Clients & projects
Cities, counties, utility and water districts, state and federal agencies, developers and energy companies.
Client list
Trusted by public agencies and industry.
A partial list of clients we have served. About 80 percent of our work comes from repeat clients.
Public agencies & districts
- City of Blythe
- City of Calipatria
- City of Cathedral City
- City of Coachella
- City of Desert Hot Springs
- City of El Centro
- City of Holtville
- City of Imperial
- City of Indio
- City of La Quinta
- City of Palm Desert
- Town of Parker, AZ
- Town of Quartzsite, AZ
- County of Imperial
- County of Riverside
- State of California, Dept. of Corrections
- U.S. Department of Homeland Security
- Coachella Valley Water District
- Ehrenberg Improvement District
- Heber Public Utility District
- Imperial Irrigation District
Private sector
- AECOM
- Albert Webb & Associates
- AMG & Associates
- Caithness
- Cal Energy Operating Corporation
- Cupertino Electric, Inc.
- D.R. Horton
- Empire Polo Club
- Frito-Lay, Inc.
- Golden State Water Company
- LS Power Equity Advisors
- NextEra Energy Resources
- NRG Energy
- Southern California Gas Company
- Southern California Water Company
Start a project
Let’s talk about your project.
Requests for proposals, a new development, a grant deadline or a question about a current job — tell us what you need and the right person will follow up.
- El Centro(760) 337-3883
- Palm Desert(760) 328-5280
- Blythe(760) 922-4658
Thank you — we received your inquiry.
The right person at The Holt Group will follow up with you soon.