Unifor is the primary union and lead voice for auto workers in Canada. The union represents 23,500 members, working at the various facilities of General Motors, Chrysler, and Ford. Most of these members work in one of five major auto assembly plants in Windsor, Oshawa, Oakville, Ingersoll and Brampton, Ontario. Others work in powertrain facilities and related in-house components work, parts depots and security operations. Unifor is also Canada’s lead union for auto parts workers, representing more than 16,000 members at various independent parts facilities.