Well drilling contractors
47 active registrations, specialty “Well drilling” as L&I records it.
| Place | Contractor | License | Specialty | Expires |
|---|---|---|---|---|
| Everett, WA | ACCESS WELL DRILLING LLC | ACCESWD760MR | Well drilling | Jul 19, 2028 |
| Rochester, WA | ADVANCED DRILLING LLC | ADVANDL804DL | Well drilling | Sep 9, 2028 |
| Newberg, OR | ARROW DRILLING | ARROWD*774ON | Well drilling | Sep 18, 2027 |
| Yelm, WA | AW DRILL & PUMP LLC | AWDRIDP768BR | Well drilling | Jun 30, 2028 |
| Bellingham, WA | B & C WELL DRLNG/PUMP SRVS INC | BCWELCW767J3 | Well drilling | Apr 24, 2028 |
| Colville, WA | BEARDSLEE DRILLING LLC | BEARDDL818MA | Well drilling | Jul 19, 2027 |
| Cottonwood, ID | BRETT UHLENKOTT DRILLING LLC | BRETTUD918RA | Well drilling | Nov 25, 2027 |
| Clatskanie, OR | C&N WELL DRILLING LLC | CNWELDL766PJ | Well drilling | Oct 11, 2026 |
| Woodinville, WA | CASCADE DRLG/LP A LTD PTSHP/DE | CASCADL915O8 | Well drilling | Oct 1, 2027 |
| Pendleton, OR | COURTNEY WELL DRILLING LLC | COURTWD767KT | Well drilling | May 30, 2028 |
| Allyn, WA | DESIGNED GROUNDWATER SERV LLC | DESIGGS911JM | Well drilling | Apr 21, 2027 |
| Wenatchee, WA | EMPIRE WELL DRILLING LLC | EMPIRWD876MN | Well drilling | Sep 16, 2027 |
| Spokane, WA | GEOWEST DRILLING INC | GEOWEDI796O8 | Well drilling | Sep 28, 2027 |
| Olympia, WA | GLACIER DRILLING/DE WTRNG LLC | GLACIDD864CQ | Well drilling | Feb 19, 2028 |
| Fontana, CA | GREAT WEST DRILLING INC | GREATWD054D1 | Well drilling | Nov 12, 2027 |
| North Bend, WA | GREGORY DRILLING INC | GREGODI110JP | Well drilling | Oct 13, 2027 |
| Hayden, ID | H2O WELL SERVICE | H2OWEWS745MN | Well drilling | Jul 15, 2028 |
| Shelton, WA | Harris Water Well Drilling LLC | HARRIWW873J9 | Well drilling | Apr 29, 2027 |
| Nampa, ID | HAZ-TECH DRILLING INC | HAZTEDI944KE | Well drilling | May 21, 2028 |
| Selah, WA | HIDDEN RIVERS DRILLING LLC | HIDDERD853PH | Well drilling | May 14, 2027 |
| Richland, WA | HOOPES WELL DRILLING LLC | HOOPEWD812BG | Well drilling | Jan 7, 2027 |
| Snohomish, WA | IN SITU ENGINEERING | INSITE*933OJ | Well drilling | Apr 23, 2027 |
| Blanchard, ID | INDEPENDENCE DRILLING LLC | INDEPDL768K2 | Well drilling | May 22, 2028 |
| Valleyford, WA | J & J WELL DRILLING INC | JJWELJW843DS | Well drilling | Mar 10, 2028 |
| Centralia, WA | KINGS WATER WELLS INC | KINGSWW748DO | Well drilling | Mar 20, 2028 |
| Poulsbo, WA | LOFALL WELL DRILLING INC | LOFALWD922BH | Well drilling | Mar 18, 2027 |
| Saint Helens, OR | McMULLEN WELL DRILLING CORP | MCMULWD808QF | Well drilling | Nov 7, 2026 |
| Grand Rapids, MI | MIDWEST GEOTHERMAL | MIDWEG*813RS | Well drilling | Dec 10, 2027 |
| Pasco, WA | NELSON DRILLING LLC | NELSODL895WM | Well drilling | Apr 12, 2027 |
| Butte, MT | O'KEEFE DRILLING CO INC | OKEEFDC015NQ | Well drilling | Jun 19, 2027 |
| Yakima, WA | OASIS DRILLING LLC | OASISDL914LH | Well drilling | Jun 8, 2027 |
| Woodland, WA | PITNER DRILLING & PUMP INC | PITNEDP981JD | Well drilling | Aug 8, 2028 |
| Tacoma, WA | RICHARDSON WELL DRILLNG CO INC | RICHAW*321OB | Well drilling | Jun 10, 2028 |
| Burbank, WA | ROCK HARD DRILLING, LLC | ROCKHHD783MH | Well drilling | Aug 25, 2028 |
| Castle Rock, WA | RON EDGELL WELL DRILLING INC | RONEDWD065D1 | Well drilling | Jan 30, 2028 |
| Amboy, WA | SANDERS PUMP & FILTRATION | SANDEPF754O6 | Well drilling | Dec 1, 2027 |
| Seattle, WA | SHANNON & WILSON INC | SHANNW*378N0 | Well drilling | Mar 25, 2028 |
| Woodland, CA | SNOWS OIL FIELD SERVICE INC | SNOWSOF881JL | Well drilling | Jan 26, 2028 |
| Reardan, WA | SPRING CREEK DRILLING LLC | SPRINCD794RB | Well drilling | Mar 22, 2028 |
| Pasco, WA | STATEWIDE WELL DRILLING INC | STATEWD015LZ | Well drilling | Apr 12, 2027 |
| Woodland, WA | STEADFAST SERVICES NW LLC | STEADSN840BO | Well drilling | Feb 18, 2028 |
| Grangeville, ID | STUIVENGA VESSEY DRILLING | STUIVVD751MZ | Well drilling | Jul 14, 2027 |
| Davenport, WA | TARBERT DRILLING | TARBED*954CJ | Well drilling | Oct 14, 2027 |
| Port Angeles, WA | TILLIA WELL DRILLING INC | TILLIWD043KO | Well drilling | Feb 2, 2028 |
| Umatilla, OR | WATERWELL DVLPNG & SURVEYS LLC | WATERDS830OA | Well drilling | Jun 11, 2028 |
| Toledo, WA | WILLIAMS WATER WELL'S INC | WILLIWW859KQ | Well drilling | Feb 21, 2027 |
| Phoenix, AZ | YELLOW JACKET DRLLNG SRVCS LLC | YELLOJD833NJ | Well drilling | Aug 11, 2027 |
Alphabetical order — this site ranks no one. Active company registrations in the L&I contractor files of October 2, 2026. Contractors registered as individuals are not on this site. How to read this.