Northwest (Puget Sound & islands)

• Barker Drilling

  Well drillingPumps & water systemsWater treatment & filtration

  Mount Vernon driller building domestic, irrigation and commercial water wells and geothermal heat pump boreholes, installing and repairing submersible and line shaft turbine pumps, with 24-hour emergency pump repair.

  Skagit, Whatcom, Island +2 more countiesEcology-licensed drillerL&I registeredClean L&I record

• Cascade Drilling NW

  Well drillingWell decommissioning

  Snohomish County driller, established in 1987, offering water well and geothermal drilling, with a specialty in geothermal ground loop installations.

  Snohomish CountyEcology-licensed drillerL&I registeredClean L&I record

• Gregory Drilling

  Well drillingWell service & rehabilitationWell decommissioning

  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.

  North Bend · King, Snohomish, Whatcom +9 more countiesEcology-licensed drillerL&I registeredClean L&I record

Central Washington

• Apple Valley Well Drilling

  Well drillingWell decommissioning

  Selah well driller drilling domestic, irrigation, commercial and geothermal wells and decommissioning old wells in Yakima, Kittitas and Klickitat counties.

  Yakima, Kittitas, Klickitat countiesEcology-licensed drillerL&I registeredClean L&I record

• Oasis Drilling

  Well drillingPumps & water systemsWell decommissioning

  Union Gap well driller serving the Yakima Valley since 1985, drilling domestic, irrigation, livestock, community and geothermal wells, installing pumps and decommissioning wells.

  Union Gap · Yakima, Benton countiesEcology-licensed drillerL&I registeredClean L&I record