Geothermal.contractors

Two Eight Drilling, Inc. is a specialized drilling contractor headquartered in Tahlequah, Oklahoma, with roughly 46 years of industry experience. The company operates three regional offices — in Oklahoma, Georgia, and North Carolina — and fields a fleet of air and mud rotary drilling rigs configured for geothermal borehole projects alongside blast hole, water well, specialty, and cathodic protection drilling. For geothermal applications, Two Eight drills large-diameter, deep, and specialized vertical boreholes used in ground-source heat pump installations, drawing on in-house expertise in subsurface geology and the engineering principles that govern loop-field performance. The company pairs an experienced field workforce with a full equipment support and maintenance staff to maintain uptime on technically demanding projects, and emphasizes safety and environmental responsibility across all project types. Verified active operator per twoeight.com + linkedin.com/company/two-eight-drilling-inc. (OK bundle audit 2026-06-01)