| 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) |
| 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 |
| DALY |
Daly Environmental Services, Irvine, CA |
| DASJ |
Dugan & Associates, San Jose, CA |
| DASL |
Doral's Automotive, San Leandro, CA |
| DBPW |
D. Bess Pump & Well, Napa, CA |
| DBSA |
Daniel B. Stephens & Associates, Inc., Santa Barbara, CA |
| DCEA |
DC Engineering, Antioch, CA |
| DCG |
Dorian Consulting, Golden, CO |
| DCIH |
Dielectric Coating Industries, Hayward, CA |
| DCMD |
DCM Construction & Svcs., Inc., Dublin, CA |
| DCMO |
DC Metals, Oakland, CA |
| DCOR |
DCOR LLC, Ventura, CA |
| DCPT |
DataChem Professionals, Tampa, FL |
| DCTF |
DeCon Technologies, Inc., Freedom, CA |
| DCTS |
DeCon Technologies, Inc., Santa Clara, CA |
| DDA |
Discovery Drilling, Anchorage, AK |
| DDEE |
DDEE (Dave Drilling and Environmental Engineering), Pittsburg, CA |
| DDI |
Denali Drilling, Inc., Anchorage, AK |
| DECA |
Delta Consultants, Aliso Viejo, CA |
| DECC |
Delta Consultants, Cameron Park, CA |
| DECI |
Datum Environmental Consulting, Inc., Carlsbad, CA |
| DECJ |
Delta Consultants, San Jose, CA |
| DECM |
Delta Consultants, Monrovia, CA |
| DECP |
Delta Consultants, Phoenix, AZ |
| DECR |
Delta Consultants, Rancho Cordova, CA |
| DECS |
Delta Consultants, Seal Beach, CA |
| DECW |
Delta Consultants, Redmond, WA |
| DEED |
Dunn Environmental, Inc., El Dorado Hills, CA |
| DEIO |
Doulos Environmental, Inc., Orangevale, CA |
| DELB |
Delta Environmental Laboratories, Benicia, CA |
| DES |
Dockter Environmental, Soquel, CA |
| DESB |
Dillard Environmental Services, Byron, CA |
| DESC |
Dysert Environmental , San Carlos, CA |
| DESH |
Deacon Environmental Services, Hayward, CA |
| DESI |
Donan Environmental Services, Inc., Vista, CA |
| DFDA |
Duke Fluor Daniel, Aliso Viejo, CA |
| DGIF |
Deerpoint Group, Inc., Fresno, CA |
| DGLC |
Descanso Gardens, La Canada Flintridge, CA |
| DHSC |
California Department of Health Services, CA |
| DJKC |
DJK Construction, Antioch, CA |
| DLFB |
Dayne L. Frary, Bakersfield, CA |
| DLIF |
Dellavalle Laboratory, Inc., Fresno, CA |
| DLP |
Davi Laboratories, Pinole, CA |
| DLSE |
DL Science, Inc., El Segundo, CA |
| DMAI |
Del Mar Analytical, Irvine, CA |
| DMCM |
D & M Consulting Engineers, Inc., Monterey, CA |
| DMCS |
D & M Consulting Engineers, Inc., Santa Clara, CA |
| DMES |
D-Max Engineering, Inc., San Diego, CA |
| DMIS |
DMI Environmental, Santa Barbara, CA |
| DMJL |
DMJ Consulting Group, Inc., La Verne, CA |
| DMSI |
Dixon Marine Services, Inc., Inverness, CA |
| DMTK |
DeLong Mountain Terminal, Kivalina, AK |
| DMWC |
Del Monte Corp. Research Center, Walnut Creek, CA |
| DNSW |
Del Norte Solid Waste Authority, Crescent City, CA |
| DONC |
SEC Donohue, Charleston, SC |
| DOTS |
Sonoma County Dept. of Transport. & Public Works, Santa Rosa, CA |
| DOWL |
Dowl Engineers, Anchorage, AK |
| DOWT |
DOW Chemical, Torrance, CA |
| DPAS |
Deer Park Analytical Services Division, Deer Park, TX |
| DPPT |
Don Pedro Pump, Turlock, CA |
| DPRA |
DPRA Inc., San Marcos, CA |
| DREE |
Drewelow Remediation Equipment, Escondido, CA |
| DRS |
Dezenhall Resources, Sacramento, CA |
| DSCG |
Donald Sorben, Consulting Geologist, San Diego, CA |
| DSLV |
Dierberg & Star Lane Vineyard, Santa Ynez, CA |
| DSRS |
Dublin San Ramon Services District, Pleasanton, CA |
| DTO |
DEL-TECH, Oakdale, CA |
| DTSC |
State of California DTSC, Sacramento, CA |
| DUDR |
Dudek, Riverside, CA |
| DUSB |
Dudek, Santa Barbara, CA |