A-One Geothermal, Inc., provides directional drilling services and solutions to public and private clients throughout the the midwest.


Since 1975, A-One Geothermal, Inc. has provided clients with first-rate services for a vast range of underground projects.

We have vertical, horizontal, header, and purging crews to handle a broad range of geothermal, water, sewer, septic, and fiber projects.


A-One Geothermal, Inc. proudly provides solutions to a wide variety of customers including homeowners, homebuilders, HVAC installers, schools, commercial properties, etc.