Founded in 1966, Manac Trailers designs, manufactures and distributes semitrailers. Additionally, it manufactures vans, flatbeds, forestry semitrailers, lowbeds, chassis, grain hoppers and other specialty units. The company provides a wide variety of trailers, including dump and transfer trailers. It offers forestry semitrailers with tridem suspension, liftable axles and single tires. Manac Trailers manufactures logging semitrailers with aluminum posts and bunks. The company, in addition, has a parts and service department that offers repair and maintenance services for various makes and models of trailers. Manac Trailers is located in Oran, Mo., and is a division of CPS.