Sooner trailers are manufactured in El Reno, Oklahoma, and is a member of the Universal Trailer (UTC) family of brands, the largest specialty trailer manufacturer in North America. Today, UTC produces a broad selection of cargo, horse, livestock, motor sport, snowmobile, ATV, motorcycle, concession, custom and specialty trailers. Its brands - Haulmark, Exiss, Sooner, Featherlite and Miley - are signposts on the Road to Excellence.