Commodore is the commonly used collective name for Commodore International Limited and the various national companies that operated underneath it, including Commodore Business Machines (CBM), the U.S.-based home computer and electronics manufacturer with headquarters in West Chester, Pennsylvania that it shared with its parent. Commodore played a vital role in the development of the home?personal computer industry in the 1970s and 1980s. Commodore developed and marketed the world’s best-selling desktop computer, the Commodore 64 (1982). Commodore later released the Amiga range of computers in 1985.