Nooter Construction Company

Founded in 1920, Kirberg Company specializes in a range of commercial and residential roofing, roof restoration and waterproofing services. With a location in St. Louis, it is one of the largest specialty contractors in the Midwest. The company serves the commercial, industrial, education, government, medical and residential sectors. Kirberg Company s client list includes Adam s Mark Hotel, Astaris, Boone Hospital Center, Charter Communications, Country Club Plaza, Kraft Foods and Sunset Country Club. It is a member of the National Roofing Contractors Association, Midwest Roofing Contractors Association and Building Owners and Managers Association. Kirberg Company installs classic slate and tile, modern synthetic slate and architectural shingle roofs. It provides project consulting and planned maintenance services

Ahrens Contracting, Inc. is a specialty contractor that focuses on demolition, excavation, and environmental remediation projects along with providing hydro excavation, dumpster/roll-off rental, hauling, and disposal services.