Leadership
Industry leaders since 1991
Our Services
Geotechnical and Environmental
Precisely collecting data without distorting results using our extensive knowledge of local geology.
Water Well & Geothermal
Water well, Geothermal well drilling, & loop installation with ground-loop connection.
Well Pump Services
Residential water well and pump services and repairs.
Sonic
Use of high-frequency, resonant energy generated inside the sonic head to advance a core barrel or casing into subsurface formations
Why Choose Connelly?
Experience
Combined total experience of 100+ years
Service Area
Service area extends beyond Maryland and Virginia to include West Virginia, Pennsylvania, Delaware and Washington, D.C.
