Allied Well Drilling LLC, operating as Allied Geothermal, provides commercial and residential geothermal loop field design, drilling, and installation across 15 Eastern and Midwestern U.S. states from its Laurel, Maryland headquarters at 8213 Brock Bridge Road. With over 26 years of industry experience, the company maintains a fleet of 40+ advanced drilling rigs and employs more than 200 professionals. Services include turnkey geothermal loop field design for both residential and commercial projects, water well drilling and inspection, dewatering, and heat pump system integration. The company holds membership with the International Ground Source Heat Pump Association (IGSHPA) as a qualified loop-field contractor. Allied Geothermal has completed installations ranging from single-family residences to university campuses and government facilities. As a second-generation family-owned business, the company operates an in-house mechanical shop to maintain equipment reliability across project sites.
Verified active operator per http://alliedgeothermal.com/ + https://igshpa.org/directory/allied-well-drilling-llc/ (Bundle 4 audit 2026-05-28)
One of the largest geothermal drilling providers in the Eastern U.S. with 26+ years of experience, 40+ drilling rigs, 200+ professionals, and completion of thousands of installations from residential homes to Ivy League campuses and government facilities.
