Northwest (Puget Sound & islands)
Gregory Drilling
North Bend drilling contractor, in business since 1975, drilling home water wells and deep irrigation wells, rehabilitating and video-inspecting wells, and decommissioning wells across Washington, alongside environmental and geotechnical work.
Lofall Well Drilling
Poulsbo water well driller founded in 1988, drilling residential, Group B community and replacement wells, deepening and rejuvenating wells, decommissioning and replacing pumps in Kitsap, Jefferson, Clallam and Mason counties.
RH Drilling & Services
Water well driller formed in 2010, drilling 5- to 25-inch cable tool and air-rotary wells, deepening and cleaning out wells, and installing pumps and filtration, mainly in Island, Clallam, Pierce and King counties.
Southwest & Olympic Peninsula
Advanced Drilling
Rochester, Thurston County, rotary well driller that also deepens and decommissions wells, installs and repairs pumps, pressure tanks and variable speed drives, and installs water treatment in southwest Washington.
Dale McGhee & Sons
Kelso well driller serving Cowlitz County and surrounding areas since 1946, offering rotary well drilling, deepening and decommissioning, pump and tank installation, and water filtration and conditioning.
Tillia Well Drilling
Woman-owned Port Angeles well driller serving Clallam and Jefferson counties for more than two decades, drilling and deepening residential and commercial wells, repairing and decommissioning wells and drilling test holes.
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Central Washington
Empire EWP
Wenatchee well driller drilling domestic, irrigation and municipal wells, with pump service, flow testing, water sampling and well decommissioning across central and eastern Washington.
M-K Waterwell Drilling
Family-owned Dallesport well driller that has drilled in the Columbia Gorge area for over 50 years, offering new wells, well deepening and decommissioning.
McGuire's Well Drilling
Owner-operated Yakima well driller, in business since 1978, drilling residential, agricultural and community wells and deepening and decommissioning wells in the Yakima Valley.
Wamsley Well Drilling
Selah well driller serving Yakima and Kittitas counties since 2012, drilling domestic and irrigation wells and offering well rehab, deepening and decommissioning.
Eastern Washington
DC Drilling
Moses Lake well drilling contractor drilling domestic, irrigation and municipal wells across the Columbia Basin, with well cleaning, repair, deepening, flow tests and decommissioning.
Fogle Pump & Supply
Colville-based well driller, pump installer and water treatment company in business since 1981, with offices in Colville, Republic, Airway Heights and Deer Park serving eastern Washington.
H2O Well Service
Well drilling, pump installation and repair, and water treatment company founded in 1976, with offices in Hayden and Sagle, Idaho and Deer Park, Washington, serving North Idaho and Eastern Washington.
Harding Drilling
Family-owned Walla Walla well driller in business since 1945, using cable tool rigs to drill domestic and irrigation wells and offering cleanouts, deepening, repairs and water production testing.
Independence Drilling
Well drilling contractor in Blanchard, Bonner County, Idaho, founded in 2024, drilling residential, agricultural and commercial wells and offering deepening, well repair and rehabilitation in Idaho and Washington.
Joyco Drilling
Family-owned well driller and pump installer based near Elk, serving northeast Washington and northwest Idaho with drilling, deepening, cleanout, decommissioning, camera inspection, pumps and cisterns.
Rock Hard Drilling
Burbank-based water well driller serving rural properties from the Tri-Cities to Ellensburg, offering residential, commercial and agricultural wells, deepening, video inspection and dry-well repair.
- Facebook reviews
Vermillion Pump & Drilling
Family-owned Chattaroy well driller and pump company serving Spokane and surrounding areas, offering well drilling, deepening, clean-out and repair, pump systems, reservoirs, well video and certified pump tests.