C-57
243 clear company licenses whose first classification is “C-57 — Well Drilling”.
| Place | Contractor | License | Main classification | Expires |
|---|---|---|---|---|
| Chino, CA | 2 R DRILLING INC | 709029 | C-57 — Well Drilling | Jun 30, 2027 |
| Norco, CA | 24 - 7 WATER WELL DRILLING 24 - 7 DRILLING INC | 1108267 | C-57 — Well Drilling | Aug 31, 2027 |
| Hornbrook, CA | A & M WELL DRILLING INC | 557640 | C-57 — Well Drilling | Feb 28, 2027 |
| Clovis, CA | A & S PUMP SERVICE | 782886 | C-57 — Well Drilling | Mar 31, 2028 |
| Signal Hill, CA | A B C LIOVIN DRILLING INC | 422904 | C-57 — Well Drilling | Sep 30, 2028 |
| Orange Cove, CA | AA PUMP COMPANY LLC | 1159937 | C-57 — Well Drilling | Aug 31, 2028 |
| Denair, CA | AARON'S WELL DRILLING INC | 1010560 | C-57 — Well Drilling | Jan 31, 2028 |
| Huston, ID | ABUNDANT WATER WELLS INC | 981850 | C-57 — Well Drilling | Mar 31, 2027 |
| San Carlos, CA | ACCESS SOIL DRILLING INC | 1152323 | C-57 — Well Drilling | Mar 31, 2028 |
| Ramona, CA | ACME WELL DRILLING INC | 1044502 | C-57 — Well Drilling | Sep 30, 2026 |
| Milpitas, CA | AEC DRILLING CORP | 1063911 | C-57 — Well Drilling | Mar 31, 2028 |
| Buellton, CA | ALEXANDER PUMP SERVICE INC | 1052722 | C-57 — Well Drilling | Apr 30, 2027 |
| Elko, NV | ALFORD DRILLING LLC | 1064189 | C-57 — Well Drilling | Mar 31, 2028 |
| Escondido, CA | ALL AMERICAN DRILLING AND PUMP SERVICE LLC | 999009 | C-57 — Well Drilling | Aug 31, 2027 |
| Santa Cruz, CA | ALL EARTH GEOTECHNICAL ENGINEERING INC | 1116390 | C-57 — Well Drilling | Feb 29, 2028 |
| Selma, CA | ANTHONY J PRIETO WATER WELL DRILLING INC | 931959 | C-57 — Well Drilling | Apr 30, 2027 |
| Rock Tavern, NY | AQUA FREED SUBSURFACE TECHNOLOGIES INC | 1009566 | C-57 — Well Drilling | Dec 31, 2027 |
| Mission Viejo, CA | ASTECH ENVIRONMENTAL SERVICES INC | 876211 | C-57 — Well Drilling | Apr 30, 2028 |
| Laton, CA | B & B WELL DRILLING INCORPORATED | 1011069 | C-57 — Well Drilling | Feb 29, 2028 |
| Madera, CA | BAPU WELL AND PUMP | 1153827 | C-57 — Well Drilling | Apr 30, 2028 |
| Lucerne Valley, CA | BAR - H WELL DRILLING INC | 1009104 | C-57 — Well Drilling | Nov 30, 2027 |
| Henderson, NV | BARBOUR WELL INC | 949489 | C-57 — Well Drilling | Jun 30, 2028 |
| Orange, CA | BC2 ENVIRONMENTAL WELL DRILLING BC2 ENVIRONMENTAL LLC | 1051275 | C-57 — Well Drilling | Mar 31, 2027 |
| Herlong, CA | BECKETT DRILLING & PUMP SERVICE | 837937 | C-57 — Well Drilling | May 31, 2028 |
| Stockton, CA | BEE BLESSED WATER WELLS DRILLING & PUMP SERVICE INC | 1079625 | C-57 — Well Drilling | Aug 31, 2027 |
| Dinuba, CA | BELKNAP PUMP COMPANY INC | 404453 | C-57 — Well Drilling | Dec 31, 2026 |
| Billings, MT | BERTRAM DRILLING INC | 703688 | C-57 — Well Drilling | Mar 31, 2027 |
| Colton, CA | BEST DRILLING AND PUMP INC | 826672 | C-57 — Well Drilling | Oct 31, 2027 |
| Riverdale, CA | BIG RIVER DRILLING INC | 1146787 | C-57 — Well Drilling | Nov 30, 2027 |
| Riverdale, CA | BIG RIVER DRILLING LLC | 1012504 | C-57 — Well Drilling | Mar 31, 2028 |
| Ontario, CA | BIG WORM WATER WELL DRILLING BIG WORM DRILLING INC | 1112675 | C-57 — Well Drilling | Nov 30, 2027 |
| Palermo, CA | BIG'N & SON DRILLING INC | 1100071 | C-57 — Well Drilling | Dec 31, 2026 |
| Salt Lake City, UT | BOART LONGYEAR COMPANY | 694686 | C-57 — Well Drilling | Aug 31, 2028 |
| Sacramento, CA | BOREMASTERS LLC | 1138272 | C-57 — Well Drilling | Jun 30, 2027 |
| Del Rey, CA | BRADLEY & SONS INC | 414178 | C-57 — Well Drilling | Mar 31, 2028 |
| Fresno, CA | BSK ASSOCIATES | 490942 | C-57 — Well Drilling | Dec 31, 2027 |
| Visalia, CA | CAL GRO PUMP SERVICE INC | 867650 | C-57 — Well Drilling | Nov 30, 2027 |
| Calimesa, CA | CALIFORNIA PACIFIC DRILLING | 766402 | C-57 — Well Drilling | Jul 31, 2027 |
| Turlock, CA | CALWATER DRILLING COMPANY INC | 434218 | C-57 — Well Drilling | May 31, 2027 |
| Sonora, CA | CANEPA AND SONS INC | 425749 | C-57 — Well Drilling | Jul 31, 2028 |
| Capitola, CA | CAPITOLA PUMP COMPANY INC | 602890 | C-57 — Well Drilling | Mar 31, 2027 |
| Rio Vista, CA | CARTER DRILLING | 683859 | C-57 — Well Drilling | Jan 31, 2028 |
| Santa Barbara, CA | CASCADE WELL & PUMP CO CASCADE WELL CO | 496704 | C-57 — Well Drilling | Aug 31, 2028 |
| Aptos, CA | CENOZOIC EXPLORATION INC | 1062344 | C-57 — Well Drilling | Jan 31, 2028 |
| Santa Cruz, CA | CENTRAL COAST DRILLING LLC | 979745 | C-57 — Well Drilling | Oct 31, 2027 |
| Tulare, CA | CENTRAL VALLEY WATER WELL DRILLING & PUMPS CENTRAL VALLEY WELL DRILLING & PUMPS LLC | 1097086 | C-57 — Well Drilling | Sep 30, 2028 |
| Gilroy, CA | CHAPPELL PUMP & SUPPLY GILROY PUMP & DRILLING CO INC | 647140 | C-57 — Well Drilling | Jun 30, 2028 |
| Pacoima, CA | CHOICE DRILLING INC | 903335 | C-57 — Well Drilling | Sep 30, 2027 |
| Grants Pass, OR | CLOUSER DRILLING INCORPORATED | 990724 | C-57 — Well Drilling | Feb 29, 2028 |
| Grover Beach, CA | COAST DRILLING INC | 905479 | C-57 — Well Drilling | Oct 31, 2027 |
| Richmond, CA | CONETEC INC | 1049248 | C-57 — Well Drilling | Jan 31, 2027 |
| Cedarville, CA | CONNER LEE WELL DRILLING A PARTNERSHIP | 809312 | C-57 — Well Drilling | Jun 30, 2028 |
| Alturas, CA | CONNERS WELL DRILLING | 709156 | C-57 — Well Drilling | Jul 31, 2027 |
| Porterville, CA | CONSOLIDATED TESTING LABORATORIES INC | 544541 | C-57 — Well Drilling | Oct 31, 2028 |
| Visalia, CA | CROWN DRILLING SERVICES INC | 1010983 | C-57 — Well Drilling | Oct 31, 2026 |
| Hemet, CA | CRUM SAM WATER WELL DRILLING INC | 593583 | C-57 — Well Drilling | May 31, 2028 |
| Rio Vista, CA | D H WELL DRILLING AND SERVICE INC | 1037203 | C-57 — Well Drilling | Mar 31, 2028 |
| Exeter, CA | DAVIS WATER WELL INC DAVIS MATTHEW ENTERPRISES INC | 1015118 | C-57 — Well Drilling | Jun 30, 2028 |
| Redding, CA | DIAMOND CORE DRILLING INC | 512406 | C-57 — Well Drilling | Jun 30, 2027 |
| Gridley, CA | DIAMOND WELL & PUMP INC | 1026795 | C-57 — Well Drilling | May 31, 2027 |
| Quincy, CA | DICKENS DRILLING B L GRANT INC | 1025320 | C-57 — Well Drilling | Mar 31, 2027 |
| Lake Elsinore, CA | DISCOVERY DRILLING INC | 635740 | C-57 — Well Drilling | Jan 31, 2028 |
| Yuba City, CA | DNA WELL DRILLING LLC | 1108209 | C-57 — Well Drilling | Aug 31, 2027 |
| American Canyon, CA | DOSHIER-GREGSON INC | 258826 | C-57 — Well Drilling | Oct 31, 2026 |
| Fair Oaks, CA | DR WELL WATER WELL SERVICES INC | 967790 | C-57 — Well Drilling | Nov 30, 2027 |
| Chowchilla, CA | DREW & HEFNER WELL DRILLING | 1003754 | C-57 — Well Drilling | May 31, 2027 |
| Dixon, CA | DRILL X SUBSURFACE CORPORATION | 1117378 | C-57 — Well Drilling | Mar 31, 2028 |
| Torrance, CA | DRILLING & PRODUCTION CO | 193910 | C-57 — Well Drilling | Feb 28, 2027 |
| Santa Cruz, CA | EARTH FLOW DRILLING COMPANY | 800269 | C-57 — Well Drilling | Mar 31, 2028 |
| San Luis Obispo, CA | EARTH SYSTEMS PACIFIC | 775664 | C-57 — Well Drilling | Feb 29, 2028 |
| Oroville, CA | ENPROBE INC | 1012248 | C-57 — Well Drilling | Mar 31, 2028 |
| Murrieta, CA | ENVIRONMENTAL WELL DRILLING WEST END ENVIRONMENTAL SAMPLING | 1096526 | C-57 — Well Drilling | Sep 30, 2028 |
| San Jose, CA | EXPLORATION GEOSERVICES INC | 484288 | C-57 — Well Drilling | Dec 31, 2027 |
| Minden, NV | FISHER PUMP & WELL SERVICE INC | 856336 | C-57 — Well Drilling | Dec 31, 2026 |
| Santa Maria, CA | FISHER PUMP AND WELL SERVICE ALL AMERICAN DRILLING INC | 1031330 | C-57 — Well Drilling | Sep 30, 2027 |
| Sutter, CA | FLO MASTER PUMP COMPANY INC | 1039737 | C-57 — Well Drilling | May 31, 2028 |
| Shingle Springs, CA | G S EXPLORATION GULF SHORE CONSTRUCTION SERVICES INC | 964224 | C-57 — Well Drilling | Aug 31, 2027 |
| Dixon, CA | GEO - EX DRILLING GEO-EX SUBSURFACE EXPLORATION | 954267 | C-57 — Well Drilling | Jul 31, 2028 |
| West Sacramento, CA | GEOCENTRIC DRILLING INC | 1073146 | C-57 — Well Drilling | Feb 28, 2027 |
| Mt Shasta, CA | GEOSERV INC | 1062652 | C-57 — Well Drilling | Feb 29, 2028 |
| San Luis Obispo, CA | GEOSOLUTIONS INC | 829272 | C-57 — Well Drilling | Dec 31, 2027 |
| Waukesha, WI | GILES ENGINEERING ASSOCIATES INC | 817780 | C-57 — Well Drilling | Mar 31, 2027 |
| Orange, CA | GOOD EARTHKEEPING ORGANIZATION INC | 964300 | C-57 — Well Drilling | Aug 31, 2027 |
| Apple Valley, CA | GP DRILLING INC | 873683 | C-57 — Well Drilling | Sep 30, 2028 |
| Hanford, CA | GRABOW WELL DRILLING INC | 1016556 | C-57 — Well Drilling | Jul 31, 2028 |
| Cottonwood, CA | GRADE DRILLING INC | 326025 | C-57 — Well Drilling | Sep 30, 2028 |
| Salinas, CA | GRANITE DRILLING COMPANY | 279262 | C-57 — Well Drilling | Apr 30, 2028 |
| Fontana, CA | GREAT WEST DRILLING INC | 517649 | C-57 — Well Drilling | Jun 30, 2027 |
| Moss Landing, CA | GREGG DRILLING & TESTING INC | 485165 | C-57 — Well Drilling | Apr 30, 2028 |
| Signal Hill, CA | GREGG DRILLING LLC | 1044456 | C-57 — Well Drilling | Sep 30, 2028 |
| North Bend, WA | GREGORY DRILLING INCORPORATED | 1007649 | C-57 — Well Drilling | Jan 31, 2027 |
| Lockeford, CA | GROSS KEITH WATER WELLS & PUMP INC | 848123 | C-57 — Well Drilling | Dec 31, 2026 |
| Morgan Hill, CA | GUARDINO WELL DRILLING INC | 664960 | C-57 — Well Drilling | Feb 28, 2027 |
| Fowler, CA | H & B DRILLING AND SONS LLC | 1007236 | C-57 — Well Drilling | Sep 30, 2027 |
| Carlsbad, CA | H & P MOBILE GEOCHEMISTRY INC | 920371 | C-57 — Well Drilling | Aug 31, 2028 |
| Orange, CA | HAMILTON DRILLING CORPORATION | 938693 | C-57 — Well Drilling | Jan 31, 2028 |
| Granite Bay, CA | HANLON DRILLING INC | 1115004 | C-57 — Well Drilling | Apr 30, 2027 |
| Oak View, CA | HANSEN-WELLDO-SERVICE INC | 707975 | C-57 — Well Drilling | Jun 30, 2027 |
| Fallon, NV | HARRIS EXPLORATION DRILLING & ASSOCIATES INC | 716706 | C-57 — Well Drilling | Dec 31, 2027 |
| Madera, CA | HCH WATER WELLS INC | 1115299 | C-57 — Well Drilling | Jan 31, 2028 |
| Sacramento, CA | HEDMAN WELL SERVICES INC | 1096857 | C-57 — Well Drilling | Sep 30, 2028 |
| Modesto, CA | HENNINGS BROS DRILLING CO INC | 290813 | C-57 — Well Drilling | May 31, 2028 |
| Rocklin, CA | HERON PACIFIC WATER HERON PACIFIC LLC | 1157758 | C-57 — Well Drilling | Jul 31, 2028 |
| Tulare, CA | HODSON WELL DRILLING | 933577 | C-57 — Well Drilling | Jun 30, 2027 |
| Edgewood, WA | HOLT DRILLING SERVICES HOLT SERVICES INC | 1008224 | C-57 — Well Drilling | Aug 31, 2028 |
| Madera, CA | HORNER & SONS INC | 707458 | C-57 — Well Drilling | Jul 31, 2027 |
| Napa, CA | HUCKFELDT WELL DRILLING INC | 439746 | C-57 — Well Drilling | Jul 31, 2027 |
| Ramona, CA | HYDRO - TECH WELL SERVICES INC | 594721 | C-57 — Well Drilling | Apr 30, 2028 |
| Fort Lupton, CO | HYDRO RESOURCES - ROCKY MOUNTAIN INC | 1104598 | C-57 — Well Drilling | May 31, 2027 |
| Castro Valley, CA | HYDRO WORKS WELL & PUMP INC | 1091530 | C-57 — Well Drilling | May 31, 2028 |
| Oxnard, CA | IKE'S PUMP & DRILLING INC | 670983 | C-57 — Well Drilling | May 31, 2027 |
| Apple Valley, CA | INDEPENDENT WELL DRILLING WATER WELL SERVICE INC | 920385 | C-57 — Well Drilling | Aug 31, 2028 |
| Visalia, CA | INGRAM EQUIPMENT COMPANY INC | 401540 | C-57 — Well Drilling | Mar 31, 2027 |
| Thermal, CA | J C WELL & PUMP SYSTEMS INC | 889693 | C-57 — Well Drilling | Jan 31, 2027 |
| Signal Hill, CA | J E T DRILLING INC | 750885 | C-57 — Well Drilling | Jun 30, 2028 |
| Exeter, CA | J&O WELL DRILLING INC | 1062907 | C-57 — Well Drilling | Jan 31, 2028 |
| Yreka, CA | JEFFERSON STATE WATER LLC | 1120068 | C-57 — Well Drilling | Apr 30, 2028 |
| Reedley, CA | JOHNSON DRILLING CO | 245802 | C-57 — Well Drilling | Jun 30, 2027 |
| Cottonwood, AZ | K P VENTURES WELL DRILLING AND PUMP COMPANY LLC | 1023472 | C-57 — Well Drilling | Feb 28, 2027 |
| Huntington Beach, CA | KEHOE TESTING & ENGINEERING INC | 786163 | C-57 — Well Drilling | Oct 31, 2028 |
| Orcutt, CA | KENAI DRILLING LIMITED | 310987 | C-57 — Well Drilling | Jul 31, 2027 |
| Bakersfield, CA | KEY ENERGY SERVICES LLC | 985352 | C-57 — Well Drilling | Jul 31, 2027 |
| Hanford, CA | KING PUMP AND WELL INC | 1058223 | C-57 — Well Drilling | Feb 29, 2028 |
| Winters, CA | L G S DRILLING INC | 811727 | C-57 — Well Drilling | Nov 30, 2026 |
| San Jacinto, CA | L O LYNCH QUALITY WELLS & PUMPS INC | 740156 | C-57 — Well Drilling | Sep 30, 2027 |
| Lewisburg, TN | LACKEY DRILLING INC | 884265 | C-57 — Well Drilling | Apr 30, 2027 |
| Ukiah, CA | LANECO DRILLING INCORPORATED | 1077336 | C-57 — Well Drilling | Jun 30, 2027 |
| Sonoma, CA | LARBRE WELL DRILLING AND PUMPS INC | 348203 | C-57 — Well Drilling | Nov 30, 2026 |
| Shasta Lake, CA | LAWRENCE DAVID A INC | 539447 | C-57 — Well Drilling | Aug 31, 2028 |
| Converse, TX | LEGACY DRILLING LEGACY FOUNDATIONS LLC | 1123860 | C-57 — Well Drilling | Jul 31, 2028 |
| Santa Ana, CA | LEGACY REMEDIATION INC | 1066496 | C-57 — Well Drilling | Jul 31, 2028 |
| Galt, CA | LIEBIG BOB AND SONS PUMP SERVICE | 976048 | C-57 — Well Drilling | Aug 31, 2028 |
| Reedley, CA | LOGAN BROS PUMP AND AG INC | 1034916 | C-57 — Well Drilling | Jan 31, 2028 |
| Lemoore, CA | LONGMIRE SWAGING INC | 701811 | C-57 — Well Drilling | Jan 31, 2027 |
| Tulare, CA | LOTT DRILLING INC | 1007750 | C-57 — Well Drilling | Sep 30, 2027 |
| Santa Maria, CA | M & W PUMPS INC | 752893 | C-57 — Well Drilling | Aug 31, 2028 |
| Santa Fe Springs, CA | M R DRILLING J & H DRILLING CO INC | 740854 | C-57 — Well Drilling | Sep 30, 2027 |
| Reno, NV | MACKAY BRUCE PUMP & WELL SERVICE INC | 595616 | C-57 — Well Drilling | Mar 31, 2028 |
| Madera, CA | MADERA PUMPS INC | 350177 | C-57 — Well Drilling | May 31, 2027 |
| San Martin, CA | MAIER & DOUGHERTY PUMP & SUPPLY INC | 733914 | C-57 — Well Drilling | Jan 31, 2028 |
| Salt Lake City, UT | MAJOR DRILLING AMERICA INC | 989929 | C-57 — Well Drilling | Jan 31, 2028 |
| Pittsburg, CA | MARTELL WATER SYSTEMS INC | 510952 | C-57 — Well Drilling | May 31, 2027 |
| Garden Grove, CA | MARTINI DRILLING CORP | 831982 | C-57 — Well Drilling | Feb 29, 2028 |
| Modesto, CA | MASELLIS DRILLING INC | 668622 | C-57 — Well Drilling | Apr 30, 2027 |
| Thermal, CA | MC KEEVER WATER WELL & PUMP SERVICE INC | 762605 | C-57 — Well Drilling | May 31, 2027 |
| Napa, CA | MC LEAN & WILLIAMS INC | 396352 | C-57 — Well Drilling | Dec 31, 2026 |
| Fort Jones, CA | MCQUOID WELL DRILLING INC | 1109105 | C-57 — Well Drilling | Aug 31, 2027 |
| Hayward, CA | MIDDLE EARTH GEO TESTING INC | 899451 | C-57 — Well Drilling | Jun 30, 2027 |
| Paso Robles, CA | MIDSTATE DRILLERS | 999944 | C-57 — Well Drilling | Mar 31, 2028 |
| Grand Rapids, MI | MIDWEST GEODRILL LLC | 1044692 | C-57 — Well Drilling | Sep 30, 2026 |
| Anaheim, CA | MILLENNIUM ENVIRONMENTAL INC | 876595 | C-57 — Well Drilling | Apr 30, 2028 |
| Templeton, CA | MILLER DRILLING CO | 324634 | C-57 — Well Drilling | Oct 31, 2026 |
| Fresno, CA | MOORE TWINING ASSOCIATES INC | 506159 | C-57 — Well Drilling | Feb 28, 2027 |
| Elko, NV | NATIONAL EWP INC | 953646 | C-57 — Well Drilling | Oct 31, 2026 |
| Yuba City, CA | NOR - CAL PUMP & WELL DRILLING INC | 908591 | C-57 — Well Drilling | Jan 31, 2028 |
| Yucca Valley, CA | NORTH AMERICAN DRILLING CO | 934991 | C-57 — Well Drilling | Jul 31, 2027 |
| Oceanside, CA | NORTH COUNTY DRILLING LLC | 1065262 | C-57 — Well Drilling | Apr 30, 2028 |
| Escalon, CA | NORTH STAR DRILLING INC | 833906 | C-57 — Well Drilling | Oct 31, 2026 |
| Chico, CA | NORTH STATE DRILLING WELL INDUSTRIES INC | 812678 | C-57 — Well Drilling | Jul 31, 2027 |
| Petaluma, CA | NORTHBAY WELL AND PUMP LLC | 1157882 | C-57 — Well Drilling | Jul 31, 2028 |
| Santa Maria, CA | OILFIELD ENVIRONMENTAL & COMPLIANCE INC | 841350 | C-57 — Well Drilling | Jun 30, 2028 |
| Thousand Oaks, CA | OPTIMAL TECHNOLOGY WELL DRILLING OPTIMAL TECHNOLOGY LLC | 1023733 | C-57 — Well Drilling | Feb 28, 2027 |
| Indio, CA | PALM SPRINGS PUMP INC | 749713 | C-57 — Well Drilling | Jul 31, 2028 |
| Zamora, CA | PARKS WATER RESOURCES LLC | 1113206 | C-57 — Well Drilling | Nov 30, 2027 |
| Fallon, NV | PARSONS DRILLING INC | 830264 | C-57 — Well Drilling | Dec 31, 2027 |
| Bakersfield, CA | PETRO - LUD INC | 997775 | C-57 — Well Drilling | Oct 31, 2028 |
| East Palo Alto, CA | PITCHER SERVICES LLC | 1044895 | C-57 — Well Drilling | Sep 30, 2028 |
| Chowchilla, CA | PRECISION WELL DRILLING INC | 998923 | C-57 — Well Drilling | Dec 31, 2026 |
| Bakersfield, CA | PRECISION WELL SERVICE LLC | 1043985 | C-57 — Well Drilling | Sep 30, 2028 |
| Ceres, CA | PUMP PROS INC | 1081208 | C-57 — Well Drilling | Sep 30, 2027 |
| Orange, CA | PUMP SYSTEMS UNLIMITED INC | 985374 | C-57 — Well Drilling | Jul 31, 2027 |
| Linden, CA | PURVIANCE DRILLERS INC | 377923 | C-57 — Well Drilling | Jul 31, 2027 |
| Atwater, CA | QUALITY WELL DRILLERS INC | 468732 | C-57 — Well Drilling | Sep 30, 2027 |
| Valley Springs, CA | R & M WATER WELL DRILLING & PUMPS INC | 1017078 | C-57 — Well Drilling | Aug 31, 2028 |
| Chowchilla, CA | R AND W WELL DRILLING AND PUMP AGRI SYSTEMS INC | 1005633 | C-57 — Well Drilling | Jul 31, 2027 |
| Selma, CA | RAISIN FOUR INC | 1162223 | C-57 — Well Drilling | Sep 30, 2028 |
| Santa Rosa, CA | RAZO DRILLING AND PUMP INC | 1122070 | C-57 — Well Drilling | Jun 30, 2028 |
| Bakersfield, CA | REDFEAIRN R L DRILLING INC | 934155 | C-57 — Well Drilling | Jun 30, 2027 |
| Cary, NC | REDOX REDOX TECH LLC | 1045452 | C-57 — Well Drilling | Oct 31, 2026 |
| Mc Kinleyville, CA | RICH WELL DRILLING & PUMP SERVICE INC | 902702 | C-57 — Well Drilling | Aug 31, 2027 |
| Parma, ID | RIVERSIDE WELL DRILLING & PUMPS RIVERSIDE EQUIPMENT SERVICES LLC | 997021 | C-57 — Well Drilling | Jan 31, 2028 |
| Woodland, CA | ROADRUNNER DRILLING & PUMP COMPANY INC | 803909 | C-57 — Well Drilling | Jun 30, 2027 |
| Pearblossom, CA | ROADRUNNER PUMP SERVICE NATIONAL WATER WELL SUPPLY INC | 924109 | C-57 — Well Drilling | Oct 31, 2026 |
| Clark Fork, ID | RUEN DRILLING INC | 688490 | C-57 — Well Drilling | May 31, 2028 |
| Fresno, CA | SALEM WELL DRILLING SALEM ENGINEERING GROUP INC | 970772 | C-57 — Well Drilling | Mar 31, 2028 |
| Salinas, CA | SALINAS PUMP COMPANY | 515945 | C-57 — Well Drilling | Aug 31, 2027 |
| Redding, CA | SHASTA DRILLING INC | 895374 | C-57 — Well Drilling | Apr 30, 2027 |
| Paso Robles, CA | SIERRA EXPLORATION DRILLING CO INC | 327073 | C-57 — Well Drilling | Jan 31, 2028 |
| Coarsegold, CA | SIERRA NEVADA DRILLING INC | 1042807 | C-57 — Well Drilling | Aug 31, 2028 |
| Madera, CA | SILVA WELL DRILLING INC | 1030191 | C-57 — Well Drilling | Aug 31, 2027 |
| Susanville, CA | SMITH'S PUMPS INC | 859249 | C-57 — Well Drilling | Jan 31, 2028 |
| La Habra, CA | SOCAL DRILLING CO | 864735 | C-57 — Well Drilling | Sep 30, 2027 |
| Visalia, CA | SOILPROBE DRILLING & FIELD SERVICES ANJ ENTERPRISES | 1054662 | C-57 — Well Drilling | Jun 30, 2027 |
| Bakersfield, CA | SOILS ENGINEERING INC | 253192 | C-57 — Well Drilling | Aug 31, 2027 |
| Lucerne Valley, CA | SOLOMON WELL DRILLING & PUMP SERVICE INC | 954106 | C-57 — Well Drilling | Nov 30, 2026 |
| Anza, CA | SOUTHERN CALIFORNIA WELL SERVICE LLC | 1086994 | C-57 — Well Drilling | Feb 29, 2028 |
| Coachella, CA | SOUTHWEST PUMP & DRILLING INC | 723919 | C-57 — Well Drilling | Jun 30, 2028 |
| Valley Center, CA | STEHLY BROTHERS DRILLING INC | 709686 | C-57 — Well Drilling | Feb 29, 2028 |
| Reno, NV | STONEHOUSE DRILLING STONEHOUSE DRILLING & CONSTRUCTION LLC | 904639 | C-57 — Well Drilling | Jul 31, 2027 |
| Orland, CA | SULLIVAN DRILLING INC | 656504 | C-57 — Well Drilling | Mar 31, 2028 |
| Olivehurst, CA | SUPERIOR WELL SERVICE INC | 466272 | C-57 — Well Drilling | Apr 30, 2028 |
| Fresno, CA | SWAGE KINGS INC | 1003102 | C-57 — Well Drilling | Apr 30, 2027 |
| West Sacramento, CA | TABER DRILLING | 969927 | C-57 — Well Drilling | Feb 29, 2028 |
| West Sacramento, CA | TABER LLC | 1071825 | C-57 — Well Drilling | Dec 31, 2026 |
| Sonora, CA | TANKO BROS INC | 395633 | C-57 — Well Drilling | Nov 30, 2026 |
| Auburn, CA | TANKO GARY C WELL DRILLING INC | 282051 | C-57 — Well Drilling | Mar 31, 2028 |
| Altaville, CA | TANKO WELL DRILLING | 423959 | C-57 — Well Drilling | Jun 30, 2028 |
| Orcutt, CA | TAYLOR DRILLING AND PUMP INC | 523858 | C-57 — Well Drilling | Mar 31, 2028 |
| Fresno, CA | TECHNICON ENGINEERING SERVICES INC | 767888 | C-57 — Well Drilling | Aug 31, 2027 |
| Dixon, CA | TERRA-EX LLC | 1114837 | C-57 — Well Drilling | Apr 30, 2028 |
| Olathe, KS | TERRACON WELL DRILLING CONSULTANTS TERRACON CONSULTANTS INC | 1160667 | C-57 — Well Drilling | Sep 30, 2028 |
| Lincoln, CA | TERRIER PUMP AND WATER QUALITY TOP HAT WELL DRILLING INC | 1123663 | C-57 — Well Drilling | Jul 31, 2028 |
| Campo, CA | THING MIKE WELL DRILLING & PUMP SERVICE / PARTNERSHIP | 783908 | C-57 — Well Drilling | Sep 30, 2028 |
| Bakersfield, CA | TITAN WELL SERVICES TITAN OILFIELD SERVICES INC | 1028748 | C-57 — Well Drilling | Jul 31, 2027 |
| San Diego, CA | TRI-COUNTY DRILLING INC | 547737 | C-57 — Well Drilling | Nov 30, 2026 |
| Ventura, CA | TRI-VALLEY DRILLING SERVICE INC | 672005 | C-57 — Well Drilling | May 31, 2027 |
| Rescue, CA | TRIANGLE WELL DRILLING | 355933 | C-57 — Well Drilling | Jan 31, 2027 |
| Clovis, CA | TRIPLE J PUMP SERVICE INCORPORATED | 964384 | C-57 — Well Drilling | Aug 31, 2027 |
| Bakersfield, CA | UNITED WELLS SERVICES CALIFORNIA 1 INC | 1000753 | C-57 — Well Drilling | Feb 28, 2027 |
| Galt, CA | V & W DRILLING INC | 720904 | C-57 — Well Drilling | Apr 30, 2028 |
| Hayward, CA | V T S DRILLING LLC | 916085 | C-57 — Well Drilling | Aug 31, 2028 |
| Galt, CA | VALLEY DRILLING CO D & D DRILLING INC | 299383 | C-57 — Well Drilling | Jul 31, 2028 |
| Yuba City, CA | VALLEY PUMP & MOTOR WORKS INC | 256384 | C-57 — Well Drilling | Apr 30, 2027 |
| Madera, CA | VALLEY WELL DRILLING LP | 1099927 | C-57 — Well Drilling | Dec 31, 2026 |
| Norco, CA | VETERAN WATER WELL DRILLING VETERAN DRILLING | 1063969 | C-57 — Well Drilling | Mar 31, 2028 |
| Elverta, CA | VETERANS AT WORK INC | 973076 | C-57 — Well Drilling | Aug 31, 2027 |
| Acton, CA | VICS WELL DRILLING INC | 886439 | C-57 — Well Drilling | May 31, 2028 |
| Ducor, CA | W P I WATER RESOURCES INC | 956172 | C-57 — Well Drilling | Nov 30, 2026 |
| Jersey City, NJ | WARREN GEORGE INC | 849031 | C-57 — Well Drilling | Oct 31, 2026 |
| Madera, CA | WATER RESOURCE HERITAGE INC | 1013788 | C-57 — Well Drilling | May 31, 2028 |
| Merced, CA | WATER WELL DRILLING A CEJA DRILLING | 1115179 | C-57 — Well Drilling | Jan 31, 2028 |
| Homeland, CA | WATER WELL REHAB INC | 1119976 | C-57 — Well Drilling | Apr 30, 2028 |
| Chino, CA | WBE DRILLING INC | 1037455 | C-57 — Well Drilling | Mar 31, 2028 |
| Raymond, CA | WELLCO DRILLING INC | 567099 | C-57 — Well Drilling | May 31, 2027 |
| Woodland, CA | WELLTEC | 891756 | C-57 — Well Drilling | Feb 28, 2027 |
| San Jose, CA | WELLTEST INC | 1100880 | C-57 — Well Drilling | Jan 31, 2027 |
| Fallon, NV | WELSCO CORP | 1036104 | C-57 — Well Drilling | Feb 29, 2028 |
| Escalon, CA | WEST COAST EXPLORATION INC | 870761 | C-57 — Well Drilling | Jan 31, 2028 |
| Reno, NV | WEST COAST PUMP & WELL WORKS WEST COAST DIRT WORKS LLC | 1091405 | C-57 — Well Drilling | May 31, 2028 |
| Auburn, CA | WEST SLOPE WATER WORKS INC | 985327 | C-57 — Well Drilling | Jul 31, 2027 |
| Barstow, CA | WEST STAR WELL SERVICES INC | 1096187 | C-57 — Well Drilling | Sep 30, 2028 |
| Phoenix, AZ | YELLOW JACKET DRILLING SERVICES LLC | 1034407 | C-57 — Well Drilling | Dec 31, 2027 |
| Mariposa, CA | YOSEMITE FALLS INC | 691117 | C-57 — Well Drilling | Jun 30, 2028 |
Alphabetical order — this site ranks no one. Company licenses with a clear status in the CSLB file of October 1, 2026. Sole owners are not on this site; for today's status and complaints, use the CSLB's Instant License Check. How to read this.