| CODW |
City of Davis, Wastewater Treatment Plant, Davis, CA |
| CDWP |
City of Corona, Department of Water & Power, Corona, CA |
| CCCL |
City of Cloverdale, Cloverdale, CA |
| COCP |
City of Chowchilla Public Works, Chowchilla, CA |
| CCWP |
City of Chico Water Pollution Control Plant (WPCP), Chico, CA |
| COCC |
City of California City, California City, CA |
| CBWR |
City of Burbank Water Reclamation Plant, Burbank, CA |
| CBWW |
City of Brentwood Wastewater Treatment Plant (WWTP), Brentwood, CA |
| COBC |
City of Brawley, Brawley, CA |
| CBLY |
City of Blythe, Blythe, CA |
| COBB |
City of Bishop, Bishop, CA |
| CB |
City of Berkeley, Berkeley, CA |
| BWWB |
City of Beaumont Wastewater Treatment Plant (WWTP), Beaumont, CA |
| BWTP |
City of Barstow Wastewater Treatment Plant, Barstow, CA |
| CAWT |
City of Atascadero Wastewater Treatment Plant, Atascadero, CA |
| CAAC |
City of Arcata, Arcata, CA |
| CAWA |
City of Antioch Water Treatment Plant, Antioch, CA |
| COAW |
City of Anderson Water Pollution Control Plant (WPCP), Anderson, CA |
| COAA |
City of Adelanto, Adelanto, CA |
| CEG |
Citadel Environmental, Glendale, CA |
| CBBR |
Circle Bar B Ranch, Goleta, CA |
| CIHN |
CIH Services, Napa, CA |
| CDHI |
Churchill Downs Hollywood Park, Inglewood, CA |
| CEO |
Chow Engineering, Oakland, CA |
| CWSW |
Choice Water Solutions, West Hollywood, CA |
| CHJC |
CHJ, Incorporated, Colton, CA |
| CCLV |
Chiquita Canyon Landfill, Valencia, CA |
| CGLT |
Chicago Grade Landfill, Templeton, CA |
| CPCV |
Chevron Products Company, Van Nuys, CA |
| CPCM |
Chevron Products Company, Montebello, CA |
| CPCL |
Chevron Products Company, La Habra, CA |
| CPCH |
Chevron Products Company, Huntington Beach, CA |
| CPCE |
Chevron Products Company, El Segundo, CA |
| CMAA |
Chenega Management LLC, Anchorage, AK |
| CHEN |
Chen Northern, Inc., San Antonio, TX |
| CTAK |
ChemTrack LLC, Anchorage, AK |
| CTES |
Chemtek Environmental Laboratories, Santa Fe Springs, CA |
| CNKT |
ChemNet, Keller, TX |
| CWMK |
Chemical Waste Management Inc., Kettleman City, CA |
| CHAS |
Chemical Health And Safe Environment (C.H.A.S.E.), Saratoga, CA |
| CDMD |
Chemical Data Management Systems, Dublin, CA |
| CNGT |
Chem-Nuclear Geotech, Grand Junction, CO |
| CFTL |
Chem Free Technologies, Lafayette, CA |
| CRU |
Charles R. Underwood, Sanford, NC |
| CHEV |
Chang Environmental, Valencia, CA |
| CESD |
Chambers Environmental Services, Inc. San Diego, CA |
| GWCH |
CGC Environmental, Inc., Huntington Beach, CA |
| CESR |
CET Environmental Services, Richmond, CA |
| CECC |
Certified Environmental Consultants, Inc., Camarillo, CA |
| CTIL |
Ceres Technologies, Inc., La Mirada, CA |
| CAB |
Ceres Associates, Benicia, CA |
| CAP |
Cerco Analytical, Inc., Pleasanton, CA |
| CVRS |
Central Valley Regional Water Board, Rancho Cordova, CA (Sacramento Office) |
| CVEF |
Central Valley Environmental, Fair Oaks, CA |
| CSEB |
Central Sierra Environmental, LLC, Bakersfield, CA |
| CCCM |
Central Contra Costa Sanitation District, Martinez, CA |
| CCWO |
Central Coast Water Operations, LLC, Seaside, CA |
| CCGC |
Central Coast Groundwater Coalition, Salinas, CA |
| CCFC |
Central Coast Farmers, CA |
| CENB |
Centec Engineering, Inc., Newport Beach, CA |
| CEME |
CEMEX, El Dorado Hills, CA |
| CEIW |
CEI West, Inc., Oakland, CA |
| CEFL |
Cecon Corporation, Fort Lewis, WA |
| CE2K |
CE2-Kleinfelder Joint Venture, Pleasanton, CA |
| CDRO |
CDR Group, Orange, CA |
| CDMB |
CDM, Walnut Creek, CA |
| CDMR |
CDM, Irvine, CA |
| CDMW |
CDM, Inc., Woodland Hills, CA |
| CDMS |
CDM Federal Programs Corporation, San Diego, CA |
| CDME |
CDM Engineers & Constructors, Sacramento, CA |
| CDIM |
CDIM Engineering, San Francisco, CA |
| CDFS |
CDF - Technical Services, Sacramento, CA |
| CCI |
CCI, Torrance, CA |
| CCIA |
CCI, Inc., Anchorage, AK |
| CBII |
CBI Federal Services, Irvine, CA |
| CAWB |
Cawelo Water District, Bakersfield, CA |
| CATO |
Catalyst Environmental Solutions, Oakland, CA |
| CECE |
Catalyst Environmental Consulting, Encinitas, CA |
| CALA |
Castle Analytical Laboratory, Atwater, CA |
| CAPO |
Cascadia Associates, Portland, OR |
| CDIS |
Cascade Drilling, Inc., Sacramento, CA |
| CGEC |
Carson Geologic & Environmental, Inc., Capitola, CA |
| CADC |
Carpinteria Sanitary District, Carpinteria, CA |
| CWP |
Carolina Well and Pump, Co., Sanford, NC |
| CVRW |
Carmel Valley Ranch Wastewater Treatment Plant (California American Water), Carmel, CA |
| CLUS |
Carmel Lahaina Utility Services, Carmel Valley, CA |
| CAWD |
Carmel Area Wastewater District, Carmel, CA |
| CEIS |
Carlton Engineering, Inc., Shingle Springs, CA |
| CECI |
Carlin Environmental Consulting, Inc., Irvine, CA |
| CAPV |
CapRock, Ventura, CA |
| CAPS |
CapRock, Salinas, CA |
| CCIC |
Caporale Consultants, Inc., Cotode Caza, CA |
| CAPC |
Capco Analytical Services,Ventura, CA |
| CWDC |
Camrosa Water District, Camarillo, CA |
| CGIS |
Campbell Geo, Inc., Santa Barbara, CA |
| CDMA |
Camp, Dresser and McKee Federal Program Corp., Atlanta, GA |
| CDMI |
Camp, Dresser & McKee, Irvine, CA |
| CCA |
Cameron-Cole, LLC, Alameda, CA |
| CETS |
Cambria Environmental Technology, Inc., Sonoma, CA |
| CETR |
Cambria Environmental Technology, Inc., San Ramon, CA |