More than a dozen Fortune 500 companies, including U.S. Steel Corp., PNC Financial Services Group, and H.J. Heinz Co., headquarter themselves in the City of Pittsburgh. Pittsburgh is also home to three major championship-winning professional sports teams. Internationally recognized for using public-private partnerships to successfully revitalize the former steel town, Pittsburgh embraces a strong commitment to cultivating new industry and supporting sustainable technologies.

As GAI's first office, GAI-Pittsburgh is also our largest operation. From its beginnings as a highly specialized geotechnical and structural engineering services firm, the office has evolved into a multidiscipline engineering and environmental consulting business with a staff of nearly 300 dedicated professionals.

With an award-winning and respected professional reputation in several service areas, GAI-Pittsburgh continues to grow in a wide range of disciplines, including civil, geotechnical, structural, mechanical, electrical, and transportation engineering, as well as environmental studies, landscape architecture, and cultural resources services.

GAI's corporate support services in Human Resources, Marketing, and Information Technology are also located in Pittsburgh.

Driving Directions

From Pittsburgh International Airport

From Pennylvania Turnpike