HHSDR provides a broad range of clients with comprehensive engineering, planning,  and architectural design services.

Sharon Office 40 Shenango Avenue Sharon, PA 16146 Phone: 724-981-8820 Fax: 724-981-4515 sharon@hhsdr.com Pittsburgh Office 830 Century Building 130 7th Street Pittsburgh, PA 15222 Phone: 412-281-2280  Fax: 412-281-2334 pittsburgh@hhsdr.com Our site is presently under re-construction. Please contact us at either of the above locations.