OFFICE LOCATIONS
Our corporate headquarters are located in Columbus, Ohio. We’ve established additional offices in strategic locations throughout the United States to better serve our global clients.
Gregory DiFrank, P.E., President
John Strayer, Senior Vice President
Mike Patena, P.E., Vice President of Operations
445 Hutchinson Ave.Suite 740Columbus, OH 43235 USA614.890.3456Walter Martin - Vice President
3510 North Causeway Blvd.Suite 515Metairie, LA 70002 USA 504.293.3900Kevin Fry, P.E. - Vice President
650 Smithfield StreetSuite 300Pittsburgh, PA 15222 USA412.471.5900Jack Cantwell - Vice President