State Trailer Supply, Inc., established in 1926 as an auto parts salvage yard in Salt Lake City, Utah, has evolved into a premier supplier of RV, Travel Trailer, Utility Trailer, Mobile Home, and Marine parts and accessories. With over 80 years of industry expertise, our 26,000-square-foot Salt Lake City store offers a vast selection of over 15,000 products. With additional locations in Ogden, Utah, and Idaho Falls, Idaho, we are dedicated to providing top-quality products and excellent service for all your RV needs.