Northwest (Puget Sound & islands)
AAA Pump & Well Drilling
Family-owned Monroe well driller and pump company, serving Snohomish and King counties since 1960, with drilling, decommissioning, well rehab, pump and storage systems, water treatment and inspections.
Alcorn Pump & Water Filtration
Family-owned Enumclaw well pump and filtration company doing pump installation and repair, pressure and storage systems, well rehabilitation by brushing and bailing, well shock, inspections, flow tests and well water filtration, with 24-hour out-of-water service.
Aquatech Well Drilling & Pumps
Sedro-Woolley well driller and pump company drilling domestic and irrigation wells and installing pumps, storage and water treatment across Skagit, Island, Snohomish, San Juan, Whatcom and north King counties.
Duckworth Pump & Well Services
Port Orchard pump and well service company, founded in 1972, doing pump and pressure tank work, well inspections, water testing and treatment around Kitsap County, Gig Harbor and Port Ludlow.
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.
Gresham Pump & Drilling
Family-owned Poulsbo well driller and pump company, established in 1977, drilling, cleaning and decommissioning wells and installing pumps, storage and treatment in Kitsap, Jefferson, Pierce and Mason counties.
JKA Well Drilling & Pumps
Family-run Monroe well driller and pump company, founded in 1989, drilling, rehabilitating, inspecting and decommissioning wells and installing pumps, tanks and water treatment for homes in King and Snohomish counties.
Livermore & Son
Family-owned Deming well driller and pump service company drilling steel-cased wells, repairing and replacing pumps, remediating sandy or declining wells, and testing and inspecting wells in Whatcom and Skagit counties.
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.
Mr. Bill's Pump & Well
Arlington pump and well service company, established in 1978, serving Snohomish, King, Island and Skagit counties with pump and pressure tank work, holding tanks, well jetting, inspections and water treatment.
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.
Total Wells Pumps and Filtration
Monroe-area well company on the Snohomish–King county line, doing pump repair and replacement, booster and storage systems, well rehabilitation and bailing, camera inspections, real-estate well inspections and filtration.
Southwest & Olympic Peninsula
Arcadia Drilling
Shelton water well driller and pump contractor, family-owned since 1962, drilling wells and installing and servicing pumps, pressure systems and well disinfection across nine western Washington counties.
Blue Line Water
Puyallup water treatment and well pump company, established in 2001, serving Pierce, King, Kitsap and Thurston counties with pump systems, well water treatment, inspections and flow tests.
Mather & Sons Pump Service
Vancouver pump sales and service company, family-owned since 1955, installing and repairing well pumps, pressure tanks and water treatment for homes in southern Washington and the Portland area, plus well testing and sand bailing.
Mountain View Pumps & Filtration
Eatonville pump and filtration company, established in 1994, installing and repairing well pumps, pressure tanks and holding tanks, cleaning wells by brush and bail, and selling water treatment across Pierce, south King, Thurston and Lewis counties.
Skyline Pump & Machine
Family-owned Chehalis water system company, in business since 1984, offering well drilling, pump installation and repair, VFD controls, well maintenance, decommissioning and water filtration, with 24/7 emergency service.
Central Washington
Carpenter Drilling
Benton City drilling contractor, founded in 1995, that does core drilling and builds, restores, cleans and maintains water wells, including Hanford monitoring and water wells.
Cobalt Drilling
Tri-Cities well driller founded in 2021, drilling residential, irrigation and Group A wells, and offering camera inspections, clean-outs, repairs and well decommissioning.
Hoopes Well Drilling
Family-run Richland well driller drilling domestic, irrigation and municipal wells, and rehabilitating, cleaning out and decommissioning existing wells.
Picatti Brothers
Yakima well and pump service company, in business since 1928, repairing and replacing residential, farm and municipal well pumps, with constant-pressure systems, well videoing and rehabilitation and 24/7 emergency service.
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
A & H Well Services
Family-owned well company based in Chewelah that drills wells, installs and repairs pumps, and offers well rehabilitation, video logging, flow and water testing and cisterns, with 24/7 service.
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.
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.
Pride Pump
Chattaroy well and pump service company working around Spokane and the Inland Northwest on well pumps, constant-pressure systems, reservoirs, well inspections, rehabilitation, water testing and treatment.
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.
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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.