Geothermal.contractors

A-10 Drilling & Toney Water Systems is a family-owned well drilling and water systems contractor based in East Helena, Montana, serving Lewis and Clark, Jefferson, Broadwater, Gallatin, Cascade, Deerlodge, and Meagher Counties since 2002. The company brings over 60 combined years of industry experience to residential, commercial, and agricultural water and geothermal projects. Their drilling services include geothermal loop wells, residential and stock water wells, irrigation wells, and dewatering applications. A-10 also provides complete water system services: pump installation and repair, water line installation and repair, pressure tank maintenance, disinfection, flow testing, and water quality testing. For geothermal projects, the team drills vertical boreholes for ground source heat pump loop fields, providing an essential contracting component for geothermal HVAC installations across central Montana. Available 24/7 for emergencies, A-10 Drilling is fully licensed, bonded, and insured, and maintains affiliations with the Helena Builders Industry Association and the National Association of Home Builders. Verified active operator per http://www.a10drilling.com/ + https://www.a10drilling.com/about (Bundle 5 audit 2026-05-29)