Connelly & Associates

Established in 1991 as a small environmental drilling contractor with one rig, Connelly and Associates, Inc. now ranks as one of the largest geotechnical drilling firms in the Washington, D.C. and Baltimore, Maryland region. We provide services of the highest level. Our employees conduct themselves in a professional manner and enjoy their work.

Mr. Connelly came to the company in 1992 and worked in field and management positions for 14 years before becoming Vice President in 2004 and now President in 2020. With more than 25 years of experience in geotechnical and environmental drilling, Mr. Connelly is the chief support for day-to-day operations as well as client interaction and customer satisfaction.

Mr. DeLosh has 30 years of experience in the geotechnical, environmental and geothermal drilling industries in the Washington, D.C. area. In addition to managing our geothermal and water well operations, he specializes in drilling projects with detailed specification and complex conditions. Mr. DeLosh holds Master Water Well licenses in Maryland, Virginia and West Virginia.

Connelly & Associates, Inc. ensures nondiscrimination in all programs and activities in accordance with Title VI of the Civil Rights Act of 1964. If you need more information or special assistance for persons with disabilities or limited English proficiency, contact our Human Resources Department at (301) 696-8820.