| TCIC |
Trinity Consultants, Irvine, CA |
| TEES |
Trinity Excavating & Engineering, Santa Rosa, CA |
| TSGA |
Trinity Source Group, Inc., Aptos, CA |
| TSSC |
Trinity Source Group, Inc., Santa Cruz, CA |
| TPSM |
Trojan Petroleum Inc., Santa Maria, CA |
| TDLT |
Truesdail Laboratories, Inc., Tustin, CA |
| TFCW |
TruFocus Corporation, Watsonville, CA |
| TWPT |
Tulare Water Pollution Control , Tulare, CA |
| TMIH |
Turner Maclane Inc., Hayward, CA |
| TECC |
Tuscan Environmental, Chico, CA |
| TLF |
Twining Labs, Fresno, CA |
| THWA |
Two Harbors WWTP, Avalon, CA |
| USBR |
U.S. Bureau of Reclamation, Boulder City, NV |
| USBS |
U.S. Bureau of Reclamation, Sacramento, CA |
| USCG |
U.S. Coast Guard, San Pedro, CA |
| NCBC |
U.S. Naval Construction Battalion Center, Port Hueneme, CA |
| UCED |
UC Davis - EH&S, Davis, CA |
| UCDU |
UC Davis Utilities, Davis, CA |
| UIH |
Ultramar, Inc., Hanford, CA |
| USEI |
Ultrasystems Environmental, Irvine, CA |
| UNCG |
UNC Geotech, Grand Junction, CO |
| UALF |
United Air Lines, South San Francisco, CA |
| UPSL |
United Parcel Service, Laguna Hills, CA |
| UPSV |
United Parcel Service, Van Nuys, CA |
| NRCH |
United States Department of Agriculture - Natural Resources Conservation Service, Hollister, CA |
| UTCS |
United Technologies Corp., San Jose, CA |
| UEB |
Universal Environmental, Benicia, CA |
| USRS |
Universal Service Recycling, Stockton, CA |
| UCBC |
University of California, Berkeley, Berkeley, CA |
| UOK |
University of Oklahoma, OK |
| UURI |
University of Utah Research Institute, UT |
| UEC |
Upgradient Environmental, Cameron Park, CA |
| UES |
Upgradient Environmental, Stockton, CA |
| UGAV |
Urban Geology, Inc., Aliso Viejo,CA |
| UAO |
Uribe and Associates, Oakland, CA |
| USMI |
US Mine Corp, Ione, CA |
| VGM |
USA Waste Services, Valencia, CA |
| CPOA |
USACE, Alaska District, AK |
| CSWA |
USACE, Albuquerque District, NM |
| CNAB |
USACE, Baltimore District, MD |
| CNCB |
USACE, Buffalo District, NY |
| CSAC |
USACE, Charleston District, SC |
| CNCC |
USACE, Chicago District, IL |
| CNCE |
USACE, Detroit District, MI |
| CTAE |
USACE, Europe Programs Center |
| CPOF |
USACE, Far East District, Korea |
| CSWF |
USACE, Fort Worth District, TX |
| CSWG |
USACE, Galveston District, TX |
| CPOH |
USACE, Honolulu District, HI |
| CORH |
USACE, Huntington District, WV |
| CSAJ |
USACE, Jacksonville District, FL |
| CPOJ |
USACE, Japan Engineer District |
| CMRK |
USACE, Kansas City District, MO |
| CSWL |
USACE, Little Rock District |
| CSPL |
USACE, Los Angeles District, CA |
| CORL |
USACE, Louisville District, KY |
| CLMV |
USACE, Lower Mississippi Valley Division, MS |
| CLMM |
USACE, Memphis District, TN |
| CMRD |
USACE, Mississippi River Division, MS |
| CSAM |
USACE, Mobile District, AL |
| CORN |
USACE, Nashville District, TN |
| CNED |
USACE, New England Division, MA |
| CLMN |
USACE, New Orleans District, LA |
| CNAN |
USACE, New York District, NY |
| CNAO |
USACE, Norfolk District, VA |
| CNAD |
USACE, North Atlantic Division, NY |
| CNCD |
USACE, North Central Division, MS |
| CNPD |
USACE, North Pacific Division, OR |
| CORD |
USACE, Ohio River Division, OH |
| CMRO |
USACE, Omaha District, NE |
| CPOD |
USACE, Pacific Ocean Division, HI |
| CNAP |
USACE, Philadelphia District, PA |
| CORP |
USACE, Pittsburgh District, PA |
| CNPP |
USACE, Portland District, OR |
| CNCR |
USACE, Rock Island District, IL |
| CSPK |
USACE, Sacramento District, CA |
| CSPN |
USACE, San Francisco District, CA |
| CSAS |
USACE, Savannah District, GA |
| CNPS |
USACE, Seattle District, WA |
| CSAD |
USACE, South Atlantic Division, GA |
| CSPD |
USACE, South Pacific Division, CA |
| CSWD |
USACE, Southwestern Division, TX |
| CLMS |
USACE, St. Louis District, MO |
| CNCS |
USACE, St. Paul District, MN |
| CSWT |
USACE, Tulsa District, OK |
| CLMK |
USACE, Vicksburg District, MS |
| CNPW |
USACE, Walla Walla District, WA |
| CSAW |
USACE, Wilmington District, NC |
| HBEH |
USAF Hospital, Holloman Bioenvironmental Eng. Svcs., Holloman AFB |
| SCS |
USDA Soil Conservation Service |
| USFM |
USFilter, Milpitas, CA |
| UBTL |
Utah Biomedical Testing Lab, UT |
| VSFC |
Vallejo Sanitation & Flood Control, Vallejo, CA |
| VSDI |
Valley Sanitary District, Indio, CA |
| VWRS |
ValleyGeo, Madera, CA |
| VBAW |
Van Brunt Associates, Walnut Creek, CA |
| VCPW |
Van Waters & Rogers, Commerce, CA |
| VWRC |
Van Waters & Rogers, Seattle, WA |
| VETS |
Vapor Extraction Technology, Inc., San Clemente, CA |
| VENM |
Vaquero Energy, Monterey, CA |