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Planet Fitness

National chain of health clubs.

113 Crosby Rd.
Newington, NH 03801
Employees: 5,000
CEO: Michael Grondahl

Website: http://www.planetfitness.com

Career Site

Planet Fitness is one of the largest health club chains in the country. It has over 2.3 million members with monthly membership fees starting at just $10 per month.

The company is known for its no-frills membership with plenty of exercise equipment and relaxed Judgement Free Zone atmosphere. Planet Fitness eliminated personal training at gyms in 2011.

There are more than 500 locations in 46 states across the U.S. and in Puerto Rico.

Every Planet Fitness location has a Pizza Night on the first of the month with over 120,000 slices given away monthly.

Franchise requirements include $500,000 minimum in liquid assets for partners and $1.5 million net worth for all partners.


Michael Grondahl and his brother Marc Grondahl, who was working as a cost accountant for a manufacturing firm, launched the first Planet Fitness in Dover, NH in 1992. Planet Fitness consisted of four gyms in New Hampshire when it began franchising in 2003.

Updated December 9, 2012