Clenzoil is the manufacturer of the original CLP formula. Founded by a World War II veteran in 1948, and still veteran owned to this day. Clenzoil is proud to be All-American brand with a 70 year track record of exceptional performance. Thermold Magazines started in the 1960’s as a molded plastics injection manufacturer that served the automotive industry. Using a nylon resin called Zytel, developed by DuPont after World War II to replace metal in large-scale manufacturing, Thermold began producing weapons magazines that resisted heat and corrosion, and functioned with extreme reliability. (less)