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Engineering

D & D ENGINEERING

D & D ENGINEERING

D & D Engineering, Inc. (D & D) is a long established organization with experience and skill in a wide range of electrical engineering areas. D & D serves as a subconsultant to engineering firms which do not maintain electrical expertise on staff, and as a consultant to industry, land developers, and municipalities.

EXTERIOR TECHNOLOGIES, INC. (EXTECH)

EXTERIOR TECHNOLOGIES, INC. (EXTECH)

EXTECH/Exterior Technologies, Inc. is an award-winning manufacturer and designer of wall, window, skylight, canopy, and custom façade systems. We deliver solutions for a variety of industries and applications, and are committed to collaboration, innovation, and exceptional engineering.

HAMPTON TECH. ASSOC., INC.

HAMPTON TECH. ASSOC., INC.

Hampton Tech is an established professional civil engineering firm founded in 1960 with experience in land surveying, land development design & engineering, and landscape architecture.

With highly trained technicians, the latest equipment, and a proven project management system to support our high quality services,  we complete projects on time and within your budget.

Our professional partnerships with related engineering specialties give complete and thorough support to the projects.

We have two offices in the Pittsburgh area to serve our clients. The Corporate Office is located in Etna Borough, Allegheny County and our Mars Office is located in Adams Township, Butler County.

437 Butler St., Pittsburgh, PA 15223   I      (412) 781-0569



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