| ASCC |
Allterra Environmental, Santa Cruz, CA |
| AWSC |
Allied Waste, Stockton, CA |
| AWS |
Allied Waste, Scottsdale, AZ |
| ASAE |
Allied Signal Aerospace, El Segundo, CA |
| AESV |
Allied Environmental Services, Van Nuys, CA |
| AESW |
Allied Environmental Services West, San Rafael, CA |
| APCS |
Alliance Pharmaceutical Corporation, San Diego, CA |
| ACET |
AllCal Environmental, Twain Harte, CA |
| ACEH |
AllCal Environmental, Hayward, CA |
| ATMS |
All Transmissions, S. San Francisco, CA |
| APEW |
All Phase Environmental Services, Watsonville, CA |
| AEMB |
All Environmental, Manhattan Beach, CA |
| AEL |
All Environmental, Inc., Lafayette, CA |
| ACDS |
All Chemical Disposal, San Jose, CA |
| AEGW |
Alisto Engineering, Walnut Creek, CA |
| AEGP |
Alisto Engineering Group, Portland, OR |
| AEGL |
Alisto Engineering Group, Lafayette, CA |
| AEGC |
Alisto Engineering Group, Chula Vista, CA |
| AVCI |
Alegre Vineyard Consulting Inc., Paso Robles, CA |
| APEG |
Alaska Petroleum Environ. Engineering, Inc., Garden Grove, CA |
| ACWD |
Alameda County Water District, Fremont, CA |
| ABCM |
Al Bay Construction Co., Martinez, CA |
| AKTP |
AKT Peerless, El Cerrito, CA |
| AECT |
AJAY Environmental Consultants, Tucson, AZ |
| ATOX |
Air Toxics LTD, Folsom, CA |
| AIWS |
Ahtna Inc., West Sacramento, CA |
| AGSF |
AGS, Inc., San Francisco, CA |
| APPL |
Agriculture & Priority Pollutants Laboratories, Fresno, CA |
| AEET |
AGRA Earth & Environmental, Tucson, AZ |
| AEEP |
AGRA Earth & Environmental, Phoenix, AZ |
| AGRA |
AGRA Earth & Environmental, Fairbanks, AK |
| AEEC |
AGRA Earth & Environmental, Carmichael, CA |
| AEEA |
AGRA Earth & Environmental, Anaheim, CA |
| AGLC |
Ag Laboratory & Consulting, Santa Maria, CA |
| AERO |
Aerostar SES LLC, Oak Ridge, TN |
| AEJS |
Aerojet, Sacramento, CA |
| AEIT |
AEI Consultants, Torrance, CA |
| AEIL |
AEI Consultants, Lafayette, CA |
| AEOA |
AECOM, Oakland, CA |
| AECO |
AECOM, Inc., Sacramento, CA |
| AEAA |
AECOM, Inc., Anchorage, AK |
| AECF |
AECOM, Fresno, CA |
| AESJ |
AECOM Technical Services, Inc., San Jose, CA |
| AECS |
AECOM Technical Services, Inc., Sacramento, CA |
| AEOR |
AECOM Technical Services, Inc., Orange, CA |
| ADVT |
AdvTech Environmental, Inc., Brea, CA |
| ADLA |
Advisian, Los Angeles, CA |
| ADCM |
Advisian - A Worley Group, Costa Mesa, CA |
| AAVL |
Adverus, Inc., Lafayette, CA |
| AEA |
Advantage Environmental, Alpine, CA |
| AESM |
Advantage Environmental Consultants, LLC, San Marcos, CA |
| AVTS |
Advanced Technology Laboratories, Signal Hill, CA |
| ATLL |
Advanced Technology Laboratories, Las Vegas, NV |
| AHGC |
Advanced HydroGeo, Chico, CA |
| AGES |
Advanced GeoEnvironmental, Stockton, CA |
| AGEA |
Advanced GeoEnvironmental, Inc., Anaheim, CA |
| AESC |
Advanced Environmental Services, Corte Madera, CA |
| AECB |
Advanced Environmental Concepts, Inc., Bakersfield, CA |
| ACUT |
Advanced CleanUp Tech, Benicia, CA |
| AARS |
Advanced Assessment and Remediation Services, Concord, CA |
| ASTS |
Advance Soil Technology Inc., San Jose, CA |
| ATZP |
Adtranz, Pittsburg, CA |
| ADRS |
ADR Environmental Group, Sacramento, CA |
| AGTP |
Adobe GeoTech, Pleasant Hill, CA |
| ADAN |
Adanta, Inc., Napa, CA |
| APLW |
Adams Plumbing, Laguna Woods, CA |
| AMED |
Acton Mickelson Environmental, El Dorado Hills, CA |
| ALTS |
Active Leak Testing, Inc., San Pedro, CA |
| AEIS |
Accord Engineering, Inc., Santa Ana, CA |
| ACCO |
ACC Environmental Consultants, Inc., Oakland, CA |
| ACSP |
AC/S Environmental Security, Camp Pendleton, CA |
| ABRF |
ABR, Inc., Fairbanks, AK |
| ADS |
Abbott Diagnostics, Santa Clara, CA |
| ABB |
ABB Environmental Services Inc., Portland, ME |
| ACBS |
Abalone Coast Analytical, Inc., San Luis Obispo, CA |
| ABGN |
AB Geoscience and Environmental Consultants, Newport Beach, CA |
| AMO |
Aaron Metals, Oakland, CA |
| AGIV |
A.G.I. Geotechnical, Inc., Van Nuys, CA |
| AESE |
A.E. Schmidt Environmental, Van Nuys, CA |
| AILA |
A.C.C.E.S. Inc., Los Angeles, CA |
| AMIL |
A-Mehr, Inc., Laguna Hills, CA |
| APSC |
A+ Environmental Solutions, Santa Cruz, CA |
| AMEL |
A&M Envrionmental Contracting, Lake Forest, CA |
| AMES |
A&M Environmental Services, Chico, CA |
| APMS |
A Plus Materials Recycling, Inc., Stockton, CA |
| AJEB |
A J Environmental, Inc., Bakersfield, CA |
| AWR |
A & W Environmental Drilling, RI |
| TPED |
3 Phase Environmental, Inc., Davis, CA |
| FRSB |
1st Response, Santa Barbara, CA |
| WS |
17th Weather Squadron (MAC) |
| QA2N |
(QA)2 Environmental, Northridge, CA |