2S Well Drilling is a licensed, family-owned geothermal and water well contractor based in Davidsonville, Maryland, serving Anne Arundel, Calvert, Prince George's, Charles, and St. Mary's Counties as well as portions of Pennsylvania. The company specializes in water well drilling, geothermal borehole drilling, and geoloop installation, applying certified drilling techniques and specialized thermal grouts to maximize ground-heat exchange efficiency. Their geothermal systems leverage the earth's stable subsurface temperatures to deliver year-round heating, cooling, and domestic hot water while reducing dependence on fossil fuels. For residential applications the team typically installs four to five vertical ground loops and collaborates with HVAC contractors to size and commission complete geothermal systems. 2S Well Drilling is a National Ground Water Association member and holds state licenses in Maryland and Pennsylvania. Monday–Friday hours with emergency contact available.
Verified active operator per https://www.2sdrilling.com + wellowner.org contractor record (Bundle 4 audit 2026-05-28)
NGWA-member family-owned driller licensed in Maryland and Pennsylvania with a perfect 5.0 Google rating, specializing in geoloop installation with certified techniques to maximize thermal conductivity and avoid underground obstacles.
