Callahan Well Drilling & Pump Service has served South Jersey since 1978, providing well drilling, geothermal well drilling, pump service, and water treatment to residential, commercial, and municipal customers across Camden, Burlington, Gloucester, and Atlantic Counties. The family-owned company is Geothermal Socket Fusion Certified and offers both closed-loop and open-loop geothermal well drilling for ground source heat pump installations. Serving as the ground loop drilling partner for geothermal projects, Callahan coordinates with HVAC contractors to deliver complete below-grade geothermal loop systems. The company also provides 24/7 emergency well and pump service throughout South Jersey. With 40-plus years of licensed drilling experience, Callahan Well Drilling combines technical depth with owner-direct availability. Contact them at (856) 767-6195 or (609) 296-2244 for geothermal drilling consultations and well service.
Verified active operator per https://www.callahanwelldrilling.com (Bundle 6 audit 2026-05-29)
IGSHPA-certified with 30+ years of operational geothermal systems still functioning across South Jersey, using custom loop field design software and managing installations from farm lots to beachfront properties without subcontracting.
