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Abingdon, Maryland

3445 Box Hill Corporate Center Drive
Suite A
Abingdon, MD 21009



Office Contact

Thomas M. Wirth, PE

Vice President

Geotechnical Engineering and COT

Paul Scott, PG

Vice President


Benjamin G. Myers, PE

Vice President

Environmental Consulting

T. Andrew Stansfield, Jr.

Vice President

Natural Resources

David J. Garbarino

Treasurer & Chief Administrative Officer

Finance & Administration

Janet Reid, CPA

Chief Financial Officer


Partner With Us

With more than 500 engineers, geologists, scientists, technicians, and support personnel, GTA has the expertise, resources, and experience to meet your needs. Reach out to us today.