USMC meaning in Business ?

United Shoe Machinery Corporation (USMC) was a U.S.-based manufacturer of various industrial machinery, particularly for the shoe manufacturing industry and monopolized the American shoe machinery business. It was an important federal government's defense contractor during the World War I, Interbellum years, World War II and the Cold war era, which developed and manufactured various land and aircraft armaments, as well as components for the military hardware made by other manufacturers. Founded in Beverly, Massachusetts, its corporate headquarters were eventually relocated to Boston, with key production facilities scattered around Massachusetts. It had subsidiaries in other countries including British United Shoe Machinery in England.