| CSCC |
Clark Seif Clark, Inc., Chatsworth, CA |
| CLEE |
Clarus Environmental Services, Eagle River, AK |
| CETC |
Clauss Excavation, Inc., Tahoe City, CA |
| CECK |
Clayton Environmental Consultants, Kailua, HI |
| CGSK |
Clayton Group Services, Inc., Kailua, HI |
| CGSP |
Clayton Group Services, Inc., Pleasanton, CA |
| CGSS |
Clayton Group Services, Inc., Santa Ana, CA |
| CEGC |
Clean Earth Geologic, LLC, Concord, CA |
| CHTO |
Clean Harbors, Thousand Oaks, CA |
| CSIM |
Clean Soil Inc., Murrieta, CA |
| CHCG |
Clear Heart Construction, Guerneville, CA |
| COWP |
Clearlake Oaks Wastewater Plant, Clearlake Oaks, CA |
| CLEA |
Clearwater Environmental, Anchorage, AK |
| CWGE |
Clearwater Group, Inc., Eureka, CA |
| CWGO |
Clearwater Group, Inc., Oakland, CA |
| CGIP |
Clearwater Group, Inc., Pt. Richmond, CA |
| CRCA |
Clearwater Revival Company, Alameda, CA |
| CHGS |
Cleath-Harris Geologists, San Luis Obispo, CA |
| CLGT |
Clinical Lab of San Bernardino, Grand Terrace, CA |
| CSIB |
Closure Solutions, Inc., Burlingame, CA |
| CSIC |
Closure Solutions, Inc., Concord, CA |
| CMHE |
CMH Environmental Group, Fullerton, CA |
| OWMS |
Cnty of Orange Integrated Waste Mngmt Dept, Santa Ana, CA |
| RRSB |
Cnty. Santa Barbara PWD Resource Recov. & Waste Mngmt. Div., CA |
| COSD |
Coachella Sanitary District, Coachella, CA |
| CVWC |
Coachella Valley Water District, Coachella, CA |
| CESH |
Coast Environmental Services, Huntington Beach, CA |
| CELB |
Coffey Environments, Long Beach, CA |
| CASV |
Columbia Analytical Services, Inc., Simi Valley , CA |
| CWC |
Community Water Center, CA |
| CCIP |
Compliance & Closure, Inc., Pleasanton, CA |
| CDIW |
Compliance Designs, Inc., Weare, NH |
| CMSS |
Compliance Monitoring Services, San Diego, CA |
| CCCC |
ConCeCo Engineering, Inc., Concord, CA |
| CTIS |
Condor Earth Technologies, Inc., Sonora, CA |
| CTIT |
Condor Earth Technologies, Inc., Stockton, CA |
| CRRC |
Conestoga-Rovers & Associates Inc., Rancho Cordova, 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 |
| CESC |
Confluence Environmental, Inc., Sacramento, CA |
| CPMV |
Conor Pacific, Mountain View, CA |
| CTLP |
Consolidated Testing Laboratories, Inc., Porterville, CA |
| CTEM |
Construction Testing & Engineering, Modesto, CA |
| CTET |
Construction Testing & Engineering, Tracy, CA |
| CTA |
Contech, Albuquerque, NM |
| CASS |
Continental Analytical Services, Inc. |
| CCTO |
Contra Costa Topsoil, Oakley, CA |
| CESO |
Controlled Environmental Svcs. (CES), Oakley, CA |
| CCMC |
Converse Consultants, Monrovia, CA |
| CCRN |
Converse Consultants, Reno, NV |
| CECS |
Converse Environmental Consultants, San Francisco, CA |
| CEWP |
Converse Environmental West, Pasadena, CA |
| CESW |
Cook Environmental Services, Inc., Walnut Creek, CA |
| CTLM |
Cooper Testing Laboratory, Mountain View, CA |
| CEGS |
Cornerstone Earth Group, Sunnyvale, CA |
| CEAC |
Cornerstone Environmental Associates, Chino Hills, CA |
| CSLB |
Cornerstone Technologies, Inc., Long Beach, CA |
| CWTP |
Corning Wastewater Treatment Plant, Corning, CA |
| COCI |
Coso Operting Company LLC, Inyokern, CA |
| CAO |
County of Alameda GSA, Oakland, CA |
| SWMR |
County of Sacramento, Department of Waste Management and Recycling, Sacramento, CA |
| SDLM |
County of San Diego, Landfill Management, San Diego, CA |
| CTSB |
County of Santa Barbara, Santa Barbara, CA |
| PWSC |
County of Santa Cruz - PWD Solid Waste Division , Santa Cruz, CA |
| CPE |
CPE Environmental Services, LLC, Atlanta, GA |
| CPIG |
CPI Geologic & Engineering Consulting, San Gabriel, CA |
| CEIG |
Cranmer Engineering, Inc. (CEI), Grass Valley, CA |
| CAIS |
Crawford & Associates, Inc., Sacramento, CA |
| CCIS |
Crawford Consulting, Inc., San Jose, CA |
| CRCT |
CRC & Associates, Inc., Tulsa, OK |
| CELL |
Creek Environmental Laboratories, Inc., San Luis Obispo, CA |
| CCWT |
Crescent City Wastewater Treatment Facility, Crescent City, CA |
| CSDC |
Crestline Sanitation District, Crestline, CA |
| CREG |
CREtelligent, Gold River, CA |
| CRGT |
CRG Marine Laboratories, Torrence, CA |
| CEV |
Criterion Environmental, Ventura, CA |
| CRLS |
CRL Environmental Laboratories, Sacramento, CA |
| CCC |
Crockett Cogeneration, Crockett, CA |
| CGRO |
Crystal Geyser Roxane, Olancha,CA |
| CSCL |
CSC, Long Beach, CA |
| CSS |
CSS Environmental Services, Inc., San Rafael, CA |
| CSTE |
CST Environmental, San Leandro, CA |
| CTEA |
CT&E Environmental Services, Inc., Anchorage, AK |
| CTLH |
CTL Environmental, Harbor City, CA |
| CVWD |
Cucamonga Valley Water District, Rancho Cucamonga, CA |
| CGSL |
Cuesta Geotechnical, San Luis Obispo, CA |
| CESP |
Current Environmental, Pittsburg, CA |
| CASO |
Custom Alloy & Scrap Sales, Inc., Oakland, CA |
| CESE |
Custom Environmental Services, Ltd., Edmonton, Alberta, Canada |
| COJP |
Cutler-Orosi Joint Powers Wastewater Authority, Cutler, CA |
| CCSD |
Cuyama Community Services District, New Cuyama, CA |
| CACC |
Cypress Amloc Co., Inc., Colma, CA |
| CES |
Cypress Environmental, Sunnyvale, CA |
| CRWA |
Cypress Ridge Sewer, Arroyo Grande, CA |
| CWSI |
Cypress Water Services, Inc., Castroville, CA |
| CCEP |
Cyto Culture Environmental, Point Richmond, CA |
| DMCM |
D & M Consulting Engineers, Inc., Monterey, CA |