Geothermal.contractors

Castleman Well Drilling & Pump Service is a fourth-generation family-owned drilling contractor based in Waverly, Tennessee, serving Middle Tennessee since the early 1900s. State-licensed and fully insured, Castleman specializes in geothermal drilling and ground-loop system design, providing vertical and horizontal closed-loop installations with complete project handling from borehole drilling through thermally enhanced grouting, pipe fusion, header installation, and system purging. The company performs all work in-house without subcontracting, ensuring experienced technicians manage every project phase. Beyond geothermal, services include water well drilling, pump installation and repair, pipe and wire installation, trenching for electrical and plumbing connections, booster pumping systems, constant-pressure systems, and irrigation systems. Castleman serves residential, commercial, municipal, and agricultural clients throughout Middle Tennessee. Verified active operator per https://www.castlemandrilling.com (TN bundle audit 2026-06-01)