Grease Monkey International, Inc. (Grease Monkey) is one of the nation’s largest franchisors of automotive preventive maintenance centers. Founded in 1978, Grease Monkey currently has more than 250 centers operating in the United States, Mexico and China. Grease Monkey is proud to be the only major quick lube concept that is not owned by a major oil company. Being independent means our focus remains on helping you properly maintain your car or truck, instead of selling you a particular brand of oil.