9. Crunch Fitness
No. of locations: 225+
Starting as a small studio in East Village, NYC, in 1989, Crunch Fitness is nowadays among the gyms with most locations nationwide. Keeping the friendly spirit ever since, Crunch Fitness’ motto is No Judgments, meaning any level and goal in fitness you want to achieve is welcome, meaning there are groups (or personal training) and machines available for everyone.