Connelly & Associates, Inc

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Established in 1991, Connelly and Associates Inc. is one of the largest geotechnical drilling firms in the Washington, D.C. and Baltimore, Md., region. The firm provides various drilling services, including barge/offshore drilling, interior drilling, direct push and rock coring. It also offers sampling/testing services, such as permeability testing, soil gas sampling, water level readings, vane shear testing, to name a few. Additionally, the company installs soil gas wells, monitoring wells, sparge points and vibrating wire piezometers. Connelly and Associates Inc. is a certified contractor by the National Ground Water Association and a participating member of the National Drilling Association.