Well Drilling contractors in Washington

81 contractors · Updated Sep 28, 2026

Well drilling contractors drill and develop water wells and install the casing and equipment that bring groundwater to the surface. Washington currently lists 81 Well Drilling contractors registered statewide.

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Claimed and verified listings appear first.

Access Well Drilling LLC

Listed

Well Drilling · Everett, WA

License #ACCESWD760MR · $15,000 bond

Advanced Drilling LLC

Listed

Well Drilling · Rochester, WA

License #ADVANDL804DL · $30,000 bond

Arrow Drilling

Listed

Well Drilling · Newberg, OR

License #ARROWD*774ON · $15,000 bond

Aw Drill & Pump LLC

Listed

Well Drilling · Yelm, WA

License #AWDRIDP768BR · $15,000 bond

B & C Well Drlng/Pump Srvs INC

Listed

Well Drilling · Bellingham, WA

License #BCWELCW767J3 · $15,000 bond

Beardslee Drilling LLC

Listed

Well Drilling · Colville, WA

License #BEARDDL818MA · $15,000 bond

Brett Uhlenkott Drilling LLC

Listed

Well Drilling · Cottonwood, ID

License #BRETTUD918RA · $15,000 bond

C&N Well Drilling LLC

Listed

Well Drilling · Clatskanie, OR

License #CNWELDL766PJ · $15,000 bond

Cascade Drlg/LP A Ltd Ptshp/De

Listed

Well Drilling · Woodinville, WA

License #CASCADL915O8 · $30,000 bond

Courtney Well Drilling LLC

Listed

Well Drilling · Pendleton, OR

License #COURTWD767KT · $15,000 bond

Designed Groundwater Serv LLC

Listed

Well Drilling · Allyn, WA

License #DESIGGS911JM · $15,000 bond

Empire Well Drilling LLC

Listed

Well Drilling · Wenatchee, WA

License #EMPIRWD876MN · $15,000 bond

Generation Drilling

Listed

Well Drilling · Mount Vernon, WA

License #GENERD*767KT · $15,000 bond

Geowest Drilling INC

Listed

Well Drilling · Spokane, WA

License #GEOWEDI796O8 · $30,000 bond

Glacier Drilling/De Wtrng LLC

Listed

Well Drilling · Olympia, WA

License #GLACIDD864CQ · $15,000 bond

Great West Drilling INC

Listed

Well Drilling · Fontana, CA

License #GREATWD054D1 · $15,000 bond

Gregory Drilling INC

Listed

Well Drilling · North Bend, WA

License #GREGODI110JP · $15,000 bond

H2o Well Service

Listed

Well Drilling · Hayden, ID

License #H2OWEWS745MN · $15,000 bond

Harris Water Well Drilling LLC

Listed

Well Drilling · Shelton, WA

License #HARRIWW873J9 · $15,000 bond

Haz-Tech Drilling INC

Listed

Well Drilling · Nampa, ID

License #HAZTEDI944KE · $15,000 bond

Hidden Rivers Drilling LLC

Listed

Well Drilling · Selah, WA

License #HIDDERD853PH · $15,000 bond

Hoopes Well Drilling LLC

Listed

Well Drilling · Richland, WA

License #HOOPEWD812BG · $30,000 bond

In Situ Engineering

Listed

Well Drilling · Snohomish, WA

License #INSITE*933OJ · $15,000 bond

Independence Drilling LLC

Listed

Well Drilling · Blanchard, ID

License #INDEPDL768K2 · $30,000 bond

Cities with Well Drilling contractors

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Built from Washington State L&I public records, updated Sep 28, 2026. Subser doesn't do star ratings or reviews — just verified records.