| AAC |
American Analytics, Chatsworth, CA |
| AACS |
Aspen Analytical, Colorado Springs, CO |
| AACV |
Atmospheric Analysis & Consulting, Inc., Ventura, CA |
| AAMM |
Alpha Analytical, Mansfield, MA |
| AAWM |
Alpha Analytical, Westborough, MA |
| ABCP |
ABC Environmental Laboratories, Pico Rivera, CA |
| ACBS |
Abalone Coast Analytical, Inc., San Luis Obispo, CA |
| ACET |
ACE Laboratories, Inc., Thousand Oaks, CA |
| ACTD |
Accutest Mid-Atlantic, Dayton, NJ |
| ACTH |
Accutest Gulfcoast, Houston, TX |
| ACTM |
Accutest New England, Marlborough, MA |
| ACTO |
Accutest Southeast, Orlando, FL |
| ACWD |
Alameda County Water District, Fremont, CA |
| ACZ |
ACZ Laboratories, Steamboat Springs, CO |
| AEHA |
Army Environmental Hygiene Agency (AEHA), APG, MD |
| AEIW |
AN/EN Inc., Watsonville, CA |
| AENP |
American Environmental Network, Portland, OR |
| AETB |
American Environmental Testing Laboratory, Inc., Burbank, CA |
| AGLC |
Ag Laboratory & Consulting, Santa Maria, CA |
| AGQL |
AGQ LABS, Oxnard, CA |
| ALAB |
Associated Laboratories, Orange, CA |
| ALGJ |
ALS LAB GROUP, Jacksonville, FL |
| ALGK |
ALS LAB GROUP, Kelso, WA |
| ALGR |
ALS LAB GROUP, Rochester, NY |
| ALGS |
ALS LAB GROUP, Simi Valley, CA |
| ALIC |
AccuLabs, Inc., City of Industry, CA |
| ALID |
AccuLabs, Inc., Davis, CA |
| ALPS |
Alpha Analytical, Inc., Sparks, NV |
| ALPU |
Alpha Analytical Laboratories, Ukiah, CA |
| ALSF |
ALS LAB GROUP, Fort Collins, CO |
| ALSH |
ALS Laboratory Group, Houston, TX |
| ALSS |
ALS Environmental, Salt Lake City, UT |
| ALTC |
Alta Analytical Lab Inc., El Dorado Hills, CA |
| ALWM |
A&L Western Laboratories, Inc., Modesto, CA |
| AMKR |
AMK Environmental Labs, LLC, Riverside, CA |
| AMSC |
AmeriSci Los Angeles, Carson, CA |
| ANCS |
Accutest Northern California, San Jose, CA |
| ANL |
Argonne National Laboratory, Argonne, IL |
| APEX |
APEX Laboratories, Tigard, OR |
| APHC |
Applied Physics & Chemistry Laboratory, Chino, CA |
| APPL |
Agriculture & Priority Pollutants Laboratories, Fresno, CA |
| ARDL |
Applied Research and Development Lab, Inc., (ARDL) Mt. Vernon, IL |
| ARGC |
Argon Laboratories, Ceres, CA |
| ARI |
Analytical Resources, Inc., Seattle, WA |
| ARLO |
A & R Laboratories, Ontario, CA |
| ARSW |
Aquatic Research, Inc., Seattle, WA |
| ASC2 |
Alpha Scientific Corporation, Cerritos, CA |
| ASCB |
Applied Speciation and Consulting, LLC, Bothell, WA |
| ASCI |
Analytical Sciences, Petaluma, CA |
| ASLL |
American Scientific Laboratories, LLC, Los Angeles, CA |
| ASLS |
Applied Sciences Laboratory, San Diego, CA |
| ASSE |
ASSET Laboratories, Las Vegas, NV |
| ATCA |
Analytica Alaska, Inc., Anchorage, AK |
| ATCC |
Analytica Environmental Laboratories, Inc., Thornton, CO |
| ATCJ |
Analytica Alaska, Inc., Juneau, AK |
| ATEM |
Asbestos TEM Laboratories, Berkeley, CA |
| ATIA |
Analytical Technologies, Inc., Anchorage, AK |
| ATIR |
Analytical Technologies, Inc., Renton, WA |
| ATIS |
Analytical Technologies, Inc., San Diego, CA |
| ATLC |
Air Technology Laboratories, City of Industry, CA |
| ATLL |
Advanced Technology Laboratories , Las Vegas, NV |
| ATLP |
Aerotech Laboratory, Inc., Phoenix, AZ |
| ATLV |
Aquatic Testing Laboratories, Ventura, CA |
| ATOX |
Air Toxics LTD, Folsom, CA |
| AVTS |
Advanced Technology Laboratories, Signal Hill, CA |
| AXYS |
Axys Analytical Services, Ltd., Sidney, B.C., Canada |
| BAAP |
Badger Army Ammunition Plant Env. Lab, Baraboo, WI |
| BALB |
Brooks Applied Labs, Bothell, WA |
| BASH |
Baseline Analytical Services, Huntington Beach, CA |
| BAW |
Bace Analytical, Windsor, CA |
| BCE |
Brown & Caldwell Analytical Lab, Emeryville, CA |
| BCLB |
BC Laboratories, Bakersfield, CA |
| BDO |
Battelle Duxbury Operations, Duxbury, MA |
| BDSA |
BioDetection Systems B.V. (BDS), Amsterdam, Netherlands |
| BEBA |
Beacon Environmental Services, Inc., Forest Hill, MD |
| BLPH |
Block Environmental Services, Pleasant Hill, CA |
| BMSS |
Battelle Marine Sciences Laboratory, Sequim, WA |
| BOAH |
Bolsa Analytical, Hollister, CA |
| BRLW |
Brook Rand Labs LLC.,Seattle, WA |
| BRS |
Brelje & Race, Santa Rosa, CA |
| BSKL |
BSK Laboratories, Inc., Fresno, CA |
| BSKR |
BSK Associates, Rancho Cordova, CA |
| BSKS |
BSK Associates, San Bernardino, CA |
| BSKV |
BSK Associates, Vancouver, WA |
| BSLA |
Bureau of Sanitation, Los Angeles, CA |
| BTGS |
Bodycote Testing Group, Santa Fe Springs, CA |
| BVLB |
BioVir Laboratories, Inc., Benicia, CA |
| BVMO |
Bureau Veritas, Mississauga, Ontario, Canada |
| CAEL |
California Agriculture & Environmental Laboratory, Ceres, CA |
| CAIC |
Cerco Analytical, Inc., Concord, CA |
| CALA |
Castle Analytical Laboratory, Atwater, CA |
| CALE |
Ceres Analytical Laboratory, Inc., El Dorado Hills, CA |
| CALN |
Caltest Analytical Laboratory, Napa, CA |
| CALR |
Centrum Analytical Laboratories, Inc., Riverside, CA |
| CALS |
Centrum Analytical Laboratories, Inc., Signal Hill, CA |
| CAPC |
CAPCO Analytical Services, Inc., Ventura, CA |
| CASB |
Columbia Analytical Services, Inc., Bothell, WA |
| CASC |
Columbia Analytical Services, Inc., Santa Clara, CA |
| CASD |
Columbia Analytical Services, Inc., Redding, CA |
| CASH |
Columbia Analytical Services, Inc., Houston, TX |