Planet Fitness, Inc. engages in the operation and franchising of fitness centers. It operates through the following segments: Franchise, Corporate-Owned Stores, and Equipment. Read More The Franchise segment includes operations related to the company's franchising business in the United States, Puerto Rico, Canada, the Dominican Republic, Panama, Mexico, and Australia. The Corporate-Owned Stores segment comprises operations with respect to all Corporate-owned stores throughout the United States and Canada. The Equipment segment sells equipment to franchisee-owned stores. The company was founded by Michael Grondahl and Marc Grondahl in 1992 and is headquartered in Hampton, NH. The listed name for PLNT is Planet Fitness, Inc.