Allied Geothermal Drilling specializes in the construction of geothermal ground source heat exchangers and has established itself as one of the premier geothermal drilling and installation contractors in the nation. From the initial project review to on-site execution and final closeout, our experienced project management team supports you every step of the way, ensuring a seamless and satisfying project experience.
Allied’s installations are carried out by IGSHPA-accredited and heat fusion-certified professionals, guaranteeing top-notch efficiency and performance. With a fleet of 30 drilling rigs dedicated solely to geothermal projects, we ensure that your schedule is a priority, delivering on-time, high-quality results for every project.
Since 1994, Allied Geothermal Well Drilling has been a leader in advanced geothermal drilling technologies. With over three decades of experience, we have built a reputation for excellence in the geothermal industry. Our fleet of 30 cutting-edge drill rigs ensures we have the capacity and capability to meet the needs of any project, no matter the size or complexity.
Allied is committed to utilizing the most innovative drilling methods to deliver efficient and precise geothermal well installations. Our long-standing expertise and advanced technology guarantee high-quality results, making us a trusted partner in the geothermal industry.

Allied Geothermal’s commercial portfolio spans a wide range of project sizes and complexities, including some of the largest and most sophisticated geothermal installations on the East Coast. Our expertise includes an award-winning project, the first of its kind, showcasing our ability to deliver innovative solutions. We have successfully completed geothermal projects for schools, military bases, government facilities, and urban multi-family home retrofits, establishing Allied as the leading geothermal contractor on the East Coast.
Our commercial services include geothermal conductivity testing and design-build installations. With the largest fleet of drill rigs and excavation equipment in the region, all installations are self-performed, ensuring full control over quality and timelines. Allied’s quality control (QC) and project management teams work closely with our clients to provide seamless coordination, precise installation, and thorough documentation from project initiation to close-out.
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