PARR is a total home-building source established in 1930. Locally owned and operated in Oregon and Washington, PARR Truss Fabricates supplies trusses and floor systems for builders, contractors, and motivated homeowners. We strictly adhere to all industry standards and municipal codes. Visit our Cornelius location or contact your nearest store for quotes, delivery, and more information. PARR Truss Woodinville, Formerly known as Roof Truss Supply.