AC&R Insulation, founded in 1907, is a family-owned and operated distributor and contractors of fireproof insulation. The company deals in installation of residential and commercial insulation and spray fireproofing. For commercial buildings, AC&R Insulation offers supply and installation of fire stopping, fireproofing, thermal and sound insulation. Additionally, the firm provides a full line of industrial, residential and commercial insulation products, including pipe covering and jacketing, board, sound and rockwool. AC&R Insulation is a certified minority contractor in Maryland. The firm has done work at the White House, the Capitol and the Pentagon. AC&R Insulation has headquarters in Beltsville, Md.