| CPOD |
USACE, Pacific Ocean Division, HI |
| CPOF |
USACE, Far East District, Korea |
| CPOH |
USACE, Honolulu District, HI |
| CPOJ |
USACE, Japan Engineer District |
| CPPC |
City of Placerville, Placerville, CA |
| CPWQ |
City of Patterson - Water Quality Control Facility (WQCF), Patterson, CA |
| CRAF |
Conestoga-Rovers & Associates, Fresno, CA |
| CRAI |
Conestoga-Rovers & Associates, Irvine, CA |
| CRAN |
Conestoga-Rovers & Associates, Niagara Falls, NY |
| CRAS |
Conestoga-Rovers & Associates, Sonoma, CA |
| CRAW |
Conestoga-Rovers & Associates, Waterloo, Ontario, Canada |
| CRCA |
Clearwater Revival Company, Alameda, CA |
| CRCT |
CRC & Associates, Inc., Tulsa, OK |
| CREG |
CREtelligent, Gold River, CA |
| CRGT |
CRG Marine Laboratories, Torrence, CA |
| CRRC |
Conestoga-Rovers & Associates Inc., Rancho Cordova, CA |
| CRU |
Charles R. Underwood, Sanford, NC |
| CRWA |
Cypress Ridge Sewer, Arroyo Grande, CA |
| CRWR |
City of Redlands - WWTP Laboratory, Redlands, CA |
| CSAC |
USACE, Charleston District, SC |
| CSAD |
USACE, South Atlantic Division, GA |
| CSAJ |
USACE, Jacksonville District, FL |
| CSAL |
City of Salinas, Salinas, CA |
| CSAM |
USACE, Mobile District, AL |
| CSAS |
USACE, Savannah District, GA |
| CSAW |
USACE, Wilmington District, NC |
| CSB |
Cabe Silverhame, Bolinas, CA |
| CSBW |
City of San Bernardino Municipal Water Department, San Bernardino, CA |
| CSC |
City of Santa Cruz, Santa Cruz, CA |
| CSCC |
Clark Seif Clark, Inc., Chatsworth, CA |
| CSCL |
CSC, Long Beach, CA |
| CSCW |
City of San Clemente, Water Reclamation Plant, San Clemente, CA |
| CSDC |
Crestline Sanitation District, Crestline, CA |
| CSDI |
Inyokern Community Service District (CSD), Inyokern, CA |
| CSEB |
Central Sierra Environmental, LLC, Bakersfield, CA |
| CSIB |
Closure Solutions, Inc., Burlingame, CA |
| CSIC |
Closure Solutions, Inc., Concord, CA |
| CSIM |
Clean Soil Inc., Murrieta, CA |
| CSLB |
Cornerstone Technologies, Inc., Long Beach, CA |
| CSLW |
City of Shasta Lake Wastewater Treatment Facility (WWTF), Shasta Lake, CA |
| CSML |
City of Santa Maria Wastewater Treatment Plant Laboratory, Santa Maria, CA |
| CSMS |
City of Simi Valley, Simi Valley, CA |
| CSMW |
City of San Mateo Wastewater Treatment Plant (WWTP), San Mateo, CA |
| CSOL |
City of Soledad, Soledad, CA |
| CSPD |
USACE, South Pacific Division, CA |
| CSPK |
USACE, Sacramento District, CA |
| CSPL |
USACE, Los Angeles District, CA |
| CSPN |
USACE, San Francisco District, CA |
| CSRW |
City of Santa Rosa Water, Santa Rosa, CA |
| CSS |
CSS Environmental Services, Inc., San Rafael, CA |
| CSSC |
City of Sacramento, Sacramento, CA |
| CSTE |
CST Environmental, San Leandro, CA |
| CSUN |
California State University, Northridge, CA |
| CSWA |
USACE, Albuquerque District, NM |
| CSWD |
USACE, Southwestern Division, TX |
| CSWF |
USACE, Fort Worth District, TX |
| CSWG |
USACE, Galveston District, TX |
| CSWL |
USACE, Little Rock District |
| CSWT |
USACE, Tulsa District, OK |
| CTA |
Contech, Albuquerque, NM |
| CTAE |
USACE, Europe Programs Center |
| CTAK |
ChemTrack LLC, Anchorage, AK |
| CTEM |
Construction Testing & Engineering, Modesto, CA |
| CTEN |
CalTec Environmental, Inc., Napa, CA |
| CTES |
Chemtek Environmental Laboratories, Santa Fe Springs, CA |
| CTET |
Construction Testing & Engineering, Tracy, CA |
| CTIL |
Ceres Technologies, Inc., La Mirada, CA |
| CTIS |
Condor Earth Technologies, Inc., Sonora, CA |
| CTIT |
Condor Earth Technologies, Inc., Stockton, CA |
| CTLH |
CTL Environmental, Harbor City, CA |
| CTLM |
Cooper Testing Laboratory, Mountain View, CA |
| CTLP |
Consolidated Testing Laboratories, Inc., Porterville, CA |
| CTOH |
City of Thousand Oaks Hill Canyon Treatment Plant, Camarillo, CA |
| CTSB |
County of Santa Barbara, Santa Barbara, CA |
| CTTC |
City of Turlock, Turlock, CA |
| CUSS |
California Utilities Service, Salinas, CA |
| CUWW |
City of Ukiah Waste Water Treatment Plant, Ukiah, CA |
| CVEF |
Central Valley Environmental, Fair Oaks, CA |
| CVRS |
Central Valley Regional Water Board, Rancho Cordova, CA (Sacramento Office) |
| CVRW |
Carmel Valley Ranch Wastewater Treatment Plant (California American Water), Carmel, CA |
| CVVC |
City of Ventura, Ventura, CA |
| CVWC |
Coachella Valley Water District, Coachella, CA |
| CVWD |
Cucamonga Valley Water District, Rancho Cucamonga, CA |
| CVWW |
City of Vacaville - Easterly Wastewater Treatment Plant (WWTP), Elmira, CA |
| CWC |
Community Water Center, CA |
| CWDC |
Camrosa Water District, Camarillo, CA |
| CWF |
Clark & Witham, Fremont, CA |
| CWGE |
Clearwater Group, Inc., Eureka, CA |
| CWGO |
Clearwater Group, Inc., Oakland, CA |
| CWMK |
Chemical Waste Management Inc., Kettleman City, CA |
| CWP |
Carolina Well and Pump, Co., Sanford, NC |
| CWRL |
Cal Waste Remediation, Long Beach, CA |
| CWSC |
California Water Service Company, San Jose, CA |
| CWSI |
Cypress Water Services, Inc., Castroville, CA |
| CWSW |
Choice Water Solutions, West Hollywood, CA |
| CWTP |
Corning Wastewater Treatment Plant, Corning, CA |
| CWTV |
California Water Technologies, Inc., Vista, CA |
| CWWC |
City of Whittier, Whittier, CA |
| DACC |
D.A. Cook & Associates, Calistoga, CA |
| DAIE |
Dudek & Associates, Inc., Encinitas, CA |