3. Planet Fitness
No. of locations: 1400+
Although the majority of Planet Fitness is located on the East Coast with headquarters in Hampton, New Hampshire, it is one of the fastest growing franchises, so the number is growing all over the country, making it among the top gyms with the most locations nationwide. It was ranked #21 on Entrepreneur’s list of Franchise 500 in 2107, which is a great score.
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