AMSOIL, INC. manufactures and markets synthetic lubrication products in the United States. Its products include motor oils, gear lubes and chaincase lubricants, greases and hydraulic oils, compressor oils, transmission fluids, two cycle oils, engine flush products, air and oil filters, filter wrenches, by-pass oil filters, oil pre-chargers, and shock therapy suspension fluid products. The company also offers car care appearance products, automotive appearance and household products, and industrial products, as well as clothing, accessories, and decals; and wiper blades, spark plugs, and wires. It serves automotive, trucks, motorcycles, snowmobiles, and watercraft sectors. AMSOIL, INC. was founded in 1972 and is based in Superior, Wisconsin.