11 Biggest Fitness Chains in America

3. Gold’s Gym

This is the only gym chain on the list that can be classified as a gym focused on weight lifting and bodybuilding. “The Mecca of Bodybuilding” spread across the country from the basic gym enthusiast’s refuge to highest and most competitive bodybuilding franchise in the world. There is no bigger weightlifting gym in the world than Gold’s Gym. More than 600 locations worldwide establish Gold’s Gym into our list of biggest fitness chains in America. Monthly membership starts from $30.