Based in Phoenix, Ariz., Sun Valley Supply is a building material supplier that specializes in building products for the residential as well as commercial drywall contractors. The company s product portfolio includes a full line of gypsum wallboard products, cornerbead, fasteners, joint treatment, acoustical products, mud/plaster products and hand tools. It also offers an array of metal studs and track for commercial and residential construction. Sun Valley Supply has affiliations with the Association of the Wall & Ceiling Industries (AWCI) and others.