ProMark Real Estate Services, LLC has served the greater Washington, DC metro region for almost a decade. Managing Member Robert O. Eisinger founded the company in 2000 with longtime business partner Thomas D. W. Fauquier. The company continues in the tradition of Eisinger, Kilbane & Associates, historically one of the area’s most innovative commercial developers and the first real estate firm in the country to capitalize on the purchase of air rights. The Eisinger family has deep roots in the local real estate industry and maintains a long history of groundbreaking design, environmentally responsible development and civic engagement.

ProMark Real Estate Services, LLC has served the greater Washington, DC metro region for almost a decade. Managing Member Robert O. Eisinger founded the company in 2000 with longtime business partner Thomas D. W. Fauquier. The company continues in the tradition of Eisinger, Kilbane & Associates, historically one of the area’s most innovative commercial developers and the first real estate firm in the country to capitalize on the purchase of air rights. The Eisinger family has deep roots in the local real estate industry and maintains a long history of groundbreaking design, environmentally responsible development and civic engagement.