Kalkreuth Roofing & Sheet Metal has been in the roofing industry since 1920. The company provides a variety of roofing services and applications to accommodate commercial, industrial and institutional customer. Its services include single-ply roof systems, built-up roof systems, modified roof systems, metal roofing, metal siding, metal roof decking, tile, slate and shingles. Headquartered in Wheeling, W.Va., the company expanded its operations in 1987 to include a production office in Frederick, M.d. Its primary territory of operation includes the eight-state region of West Virginia, Ohio, Pennsylvania, Maryland, Virginia, Delaware and Kentucky, as well as Washington D.C. Kalkreuth Roofing & Sheet Metal operates with nearly 280 employees including office and field personnel.