Planet Fitness, Inc. engages in the operation and franchise 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 U.S., Puerto Rico, Canada, the Dominican Republic, and Panama. The Corporate-Owned Stores segment deals with the operations with respect to all corporate-owned stores throughout the U.S. 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 Newington, NH.