Thomas M. Wirth, P.E., Named Vice President With GTA
January, 28 2013

Steven Langseder Joins GTA To Lead Delaware Environmental Group
January, 23 2013

MRA Expands into Northern Virginia
May, 2012

GTA Announces Two New Vice Presidents
January, 2011

GTA Promotes J. Patrick Klima, P.E., to President
February, 2009

GTA Opens Southern Maryland Office
September 1, 2006

Frank Hertsch Honored with Smart Growth Achievement Award
March 13, 2006

GTA Announces the Launch of New Affiliate Company, GTA Environmental Services
February 1, 2006

GTA Expands Reach into North Carolina with Opening of Charlotte Office
January 16, 2006

Harford County Engineering Firm Growing Across Mid-Atlantic
October 7, 2005