| Select List of Customers Served: | |
| Company | Website |
| Ambient Communities | www.ambientcommunities.com |
| Bechtel Power Corporation | www.bechtel.com |
| California Department of Water Resources | www.water.ca.gov |
| Caltrans – Districts 2,5,6,7, & 9 | www.dot.ca.gov |
| Castle & Cooke | www.castlecooke.com |
| Cello & Madru | www.cello-madru.com |
| Centex | www.centex.com |
| Chevron | www.chevron.com |
| City of Arroyo Grande | www.arroyogrande.org |
| City of Grover Beach | www.grover.org |
| City of Guadalupe | www.ci.guadalupe.ca.us |
| City of King City | www.kingcity.com |
| City of Los Angeles | www.lacity.org |
| City of Paso Robles | www.prcity.com |
| City of Pismo Beach | www.pismobeach.org |
| City of San Luis Obispo | www.slocity.org |
| County of Kern | www.co.kern.ca.us |
| County of Merced | www.co.merced.ca.us |
| County of Riverside | www.countyofriverside.us |
| County of San Luis Obispo | www.slocounty.ca.gov |
| County of Santa Barbara | www.countyofsb.org |
| County of Tulare | www.tularecounty.ca.gov |
| Diani Building Corp | www.diani.com |
| EMJ Corporation | www.emjcorp.com |
| Ferrovial | www.ferrovial.com |
| First Solar | www.firstsolar.com |
| Flatiron Construction Corp | www.flatironcorp.com |
| Granite Construction | www.graniteconstruction.com |
| Griffith Company | www.griffithcompany.net |
| Harris Construction | www.harrisconstruction.com |
| Hensel Phelps | www.henselphelps.com |
| Kern County Water Agency | www.kcwa.com |
| Lehigh Hanson | www.lehighhanson.com |
| PCL | www.pcl.com |
| Rarig Construction | www.rarig.com |
| Straub Construction | www.straubinc.com |
| TIC | www.ticus.com |
| United States Army Corps of Engineers | www.usace.army.mil |
| Waste Connections | www.wasteconnections.com |
| Watt Communities | www.wattcommunities.com |
| WM Lyles Co | www.wmlyles.com |
