Established in 1973, SPEC Building Materials Corp. is a distributor of residential and commercial roofing products. Located in North Little Rock, Ark., the company provides a range of equipment, windows, doors as well as roof insulation and sliding products. SPEC Building Materials Corp. supplies products of several manufacturing companies, including Owens Corning, Tamko Building Products, Air Vent Inc., Versico Incorporated, GenFlex Roofing Systems and Firestone Building Products. Its service area includes Oklahoma, Texas, Arizona, Alabama and Mississippi.