Frontier-Kemper Constructors

Frontier-Kemper Constructors, Inc. is a widely recognized leader in underground and heavy civil construction. Frontier-Kemper builds tunnels and shafts for highways, mass-transit systems, railroads and hydroelectric plants, and facilities for water supply and wastewater transport. In addition, Frontier-Kemper develops and equips underground mines for coal, salt, copper, gold and other minerals.