| AGIS |
Applied Geosciences, Inc., San Diego, CA |
| AGIV |
A.G.I. Geotechnical, Inc., Van Nuys, CA |
| AGLC |
Ag Laboratory & Consulting, Santa Maria, CA |
| AGMM |
ARCADIS, U.S., Inc., Melville, NY |
| AGMP |
ARCADIS, U.S., Inc., Phoenix, AZ |
| AGSA |
Arctic Geoscience, Anchorage, AK |
| AGSF |
AGS, Inc., San Francisco, CA |
| AGSJ |
Antea Group, San Jose, CA |
| AGSS |
American Geological Services, Inc., Sonora, CA |
| AGTP |
Adobe GeoTech, Pleasant Hill, CA |
| AHGC |
Advanced HydroGeo, Chico, CA |
| AHTE |
American Hi-Tech, Inc., Eastontown, NJ |
| AICC |
Aperio, Inc., Camp Connell, CA |
| AILA |
A.C.C.E.S. Inc., Los Angeles, CA |
| AISJ |
Aro Industries Incorporated, San Juan Capistrano, CA |
| AISV |
American Integrated Services, Inc., Ventura, CA |
| AISW |
American Integrated Services, Inc., Wilmington, CA |
| AITN |
American Integrated Services,Inc.-T N&Associates,Inc.,Ventura, CA |
| AIWS |
Ahtna Inc., West Sacramento, CA |
| AJEB |
A J Environmental, Inc., Bakersfield, CA |
| AKTP |
AKT Peerless, El Cerrito, CA |
| ALAB |
Associated Laboratories, Orange, CA |
| ALI |
ArsenaultLegg, Inc., Anchorage, AK |
| ALIP |
AquiLab, Inc., Phoenix, AZ |
| ALON |
Alon USA Bakersfield Refinery, Bakersfield, CA |
| ALPU |
Alpha Analytical Laboratories, Ukiah, CA |
| ALSC |
Almar Environmental, Santa Cruz, CA |
| ALSE |
SGS Accutest Southeast, Dayton, NJ |
| ALTC |
Alta Analytical Lab Incorporated, El Dorado Hills, CA |
| ALTR |
Altrea LLC., Sacramento, CA |
| ALTS |
Active Leak Testing, Inc., San Pedro, CA |
| ALVN |
AramcoTek, Inc., Las Vegas, NV |
| AMCF |
AM Consulting Engineers, Fresno, CA |
| AMEA |
AMEC Earth and Environmental, Anaheim, CA |
| AMEC |
AMEC, San Diego, CA |
| AMED |
Acton Mickelson Environmental, El Dorado Hills, CA |
| AMEL |
A&M Envrionmental Contracting, Lake Forest, CA |
| AMEO |
AMEC, Ontario, CA |
| AMES |
A&M Environmental Services, Chico, CA |
| AMGO |
Amec Foster Wheeler Environment & Infrastructure, Inc., Oakland, CA |
| AMIB |
Avibank Manufacturing, Inc., Burbank, CA |
| AMIL |
A-Mehr, Inc., Laguna Hills, CA |
| AMO |
Aaron Metals, Oakland, CA |
| AMSS |
Applied Marine Sciences, Santa Cruz, CA |
| AMYE |
Amyris, Inc., Emeryville, CA |
| ANL |
Argonne National Laboratory, Argonne, IL |
| ANSD |
Anteon Corporation, San Diego, CA |
| AOCU |
AOCUSA, Pico Rivera, CA |
| APC |
Anderson Pump Co., Chowchilla, CA |
| APCA |
APC Systems, Anchorage, AK |
| APCS |
Alliance Pharmaceutical Corporation, San Diego, CA |
| APEA |
APEX Environmental, Anaheim, CA |
| APEF |
Apex Envirotech, Inc., Fair Oaks, CA |
| APEG |
Alaska Petroleum Environ. Engineering, Inc., Garden Grove, CA |
| APER |
Applied Environmental, Inc., Reston, VA |
| APEW |
All Phase Environmental Services, Watsonville, CA |
| APEX |
APEX Environmental Recovery, Huntington Beach, CA |
| APGR |
Apex Envirotech, Inc., Gold River, CA |
| APLW |
Adams Plumbing, Laguna Woods, CA |
| APMS |
A Plus Materials Recycling, Inc., Stockton, CA |
| APPH |
Apex Companies LLC, Pleasant Hill, CA |
| APPL |
Agriculture & Priority Pollutants Laboratories, Fresno, CA |
| APSA |
Apex Companies LLC, Santa Ana, CA |
| APSC |
A+ Environmental Solutions, Santa Cruz, CA |
| APSD |
Apex Companies, LLC, San Diego, CA |
| APSF |
Apex Testing Laboratories, Inc., San Francisco, CA |
| APTM |
APTIM, Baton Rouge, LA |
| APXT |
APEX Laboratories, Tigard, OR |
| AQCM |
Aquilogic, Costa Mesa, CA |
| AQDH |
Aqua Dine, Healdsburg, CA |
| AQMV |
Anchor QEA, LLC, Mission Viejo, CA |
| AQUS |
AquaPath Inc., Sanger, CA |
| ARAS |
Applied Research Associates, Inc., South Royalton, VT |
| ARBM |
ARCADIS, U.S., Inc., Brighton, MI |
| ARCL |
Atlantic Richfield Company, Los Angeles, CA |
| ARCS |
ARCO Products Company, San Diego, CA |
| ARGC |
Argon Laboratories, Ceres, CA |
| ARI |
Analytical Resources, Inc., Seattle, WA |
| ARIA |
Allwest Remediation, Inc., Anaheim, CA |
| ARIC |
ARCADIS, U.S., Inc., Irvine, CA |
| ARJS |
ARCADIS, U.S., Inc., San Jose, CA |
| ARLA |
ARCADIS, U.S., Inc., Los Angeles, CA |
| ARPO |
ARCADIS, U.S., Inc., Portland, OR |
| ARRN |
ARCADIS, U.S., Inc., Reno, NV |
| ARSB |
Applied Remedial Services, Inc., Benicia, CA |
| ARSD |
ARCADIS, U.S., Inc., San Diego, CA |
| ARSF |
ARCADIS, U.S., Inc., San Francisco, CA |
| ARSJ |
Applied Remediation Company, Inc., San Jose, CA |
| ARTI |
Applied Remedial Technologies Inc., San Francisco, CA |
| ARTS |
Applied Remedial Technology, San Francisco, CA |
| ARWS |
ARCADIS, U.S., Inc., Seattle, WA |
| ASAE |
Allied Signal Aerospace, El Segundo, CA |
| ASAT |
Associated Soils Analysis, Inc., Tulare, CA |
| ASCC |
Allterra Environmental, Santa Cruz, CA |
| ASED |
Aqua Science Engineers Inc., Danville, CA |
| ASEI |
Aqua Science Engineers, Inc., Irvine, CA |
| ASIB |
Aquifer Solutions, Inc., Berkeley, CA |
| ASIL |
Aquifer Sciences, Inc., Lafayette, CA |
| ASMV |
ASTECH, Mission Viejo, CA |
| ASP |
Analytical Sciences, Petaluma, CA |