24 Hour Fitness Worldwide, Inc. is a San Ramon, California-based operator of health and fitness clubs. As of March 2020, the company managed 445 locations across 14 states and the District of Columbia, serving approximately 3.4 million members. The company provides fitness equipment, group exercise classes, and personal training services, supported by a workforce of approximately 10,200 employees. It is a subsidiary of 24 Hour Holdings II, LLC, which is indirectly owned by affiliates of AEA Investors, Ontario Teachers' Pension Plan, and Fitness Capital Partners.