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. Located in Southlake, Texas, 24 Hour Fitness USA Inc. has over 3.5 million club members. Additionally, it serves the areas of Hong Kong, Malaysia and Singapore. The company has partnership with Coca-Cola, Dial and Everlast and is Better Business Bureau accredited. It has partnership with U.S. Olympic team, San Francisco 49ers and New York Yankees, among others.