Our facility, located in Naperville, IL, is a 25,000 sq. ft. fitness center with a European influenced look and top brands of functional equipment that are cutting edge. Signature Fitness Club offers Fitness By Design. We have state of the art fitness equipment, highly qualified corrective and functional training Personal Trainers, experienced certified Group Exercise Instructors, and customer service that is second to none. Signature Fitness Club brings you Education By Design. We host top fitness industry Presenters, Inventors, and Educators to provide staff and members exceptional experiences with the latest information relevant to the industry.