Club Industry's list of Top 10 single club operators is pulled from the 2018 Top 100 Clubs list, which is based on 2017 revenue. The majority of the numbers are reported by executives at the club companies themselves. Where noted, Club Industry has estimated or used other sources to determine the revenue of some companies who did not submit. For analysis of the Top 100 Clubs list, click on this article. For the complete Top 100 Clubs gallery, go here.