TerraFirm was formed in 2014 and acquired the select assets and hired the key staff of the privately held contractor, The Judy Company, Inc., an 92 year old firm that specializes in geotechnical construction projects throughout the central United States.
TerraFirm is a wholly-owned subsidiary of C.J. Mahan Construction Company, LLC, a Columbus, Ohio based heavy civil construction Company. With a long history of successful construction experience, Mahan has built complex bridge structures, locks, dams, flood protection systems, water and waste water pumping stations, docks and marine structures both on the Inland River and Intracoastal Waterways. Mahan was established in 1977 and has performed construction for numerous State Department of Highways, Federal Agencies including the USACE, municipal agencies, and private owners.