About Us. Founded in 1992 in Dover, NH, Planet Fitness is one of the largest and fastest-growing franchisors and operators of fitness centers in the United States by number of members and locations. We have over 2,500 stores in 50 states, the District of Columbia, Puerto Rico, Canada, Panama, Mexico, Spain, and Australia. 90% of Planet Fitness stores are owned and operated by independent franchisees. . At Planet Fitness, our unique mission has a...
