Founded in 1983, 24 Hour Fitness USA Inc. is one of the largest fitness club chains in the United States. The company has more than 400 United States clubs in 17 states. 24 Hour Fitness USA Inc. has over 3.5 million club members. In addition, it has centers in countries, such as Hong Kong, Malaysia and Singapore. The company has partnership with Coca-Cola, Dial and Everlast. 24 Hour Fitness USA Inc. is Better Business Bureau accredited.