Founded in 1941, United Building Supply, also known as UBS, offers various products and services for commercial and residential buildings. The company provides a variety of engineered wood accessories from manufactures that include Boise Cascade, Trus Joist, International Beams and Roseburg Forest Products. It additionally offers a range of building materials, including windows and doors, sky lights, shingles, roof truss, drywall, siding and decking. United Building Supply provides interior and exterior stain and polyurethane products from manufacturers, such as Minwax, Zipguard, Cabots and McClosky. The company also offers plan estimating, fabrication, installation, and job site and interior design consulting services. With more than 200 people employees, the company serves contractors, homeowners and industrial clients. United Building Supply maintains one of its locations in Westerly R.I.