Established in 1891, N.B. Handy Company is one of the leading wholesale distributors of commercial roofing products and sheet metal equipment in the United States. The company provides heating, ventilation and air conditioning equipment and supplies for the residential, commercial and industrial sectors. It also offers waterproofing supplies and precision metal fabricating machinery. N.B. Handy Company serves various installers and manufacturers. The company is a member of the Air Conditioning Contractors of America and the Associated Roofing Contractors of Maryland. Its affiliated distributors include the Conditioned Air Association of Georgia, Carolinas Roofing and Sheet Metal Contractors Association and Builders and Contractor Exchange. N.B. Handy Company provides roofing systems from various manufacturers, such as Berger, Follansbee Steel, Hussey Cooper, Inter Wrap and Schnee Morehead. The company additionally maintains Sentrigard Metal Roofing Systems.