Founded in 1975, Key Constructors is a general contracting firm that specializes in highway and heavy construction services. It builds bridges, overpasses, dams and culverts. The company offers pile driving and concrete construction services. Key Constructors is a member of the Mississippi Road Builders Association, Associated Builders & Contractors, Madison County Chamber of Commerce and Pile Driving Contractors Association. It serves various clients, such as the Mississippi Department of Transportation, Natural Resources Conservation Service and Corps of Engineers.