In this Annual Report, unless otherwise stated or the context otherwise indicates, references to "the Company," "we," "our," "TSI Holdings" and similar references refer to Town Sports International Holdings, Inc. and its subsidiaries. References to "TSI LLC" refer to Town Sports International, LLC, and "TSI Group" refer to Town Sports Group, LLC, both of which are wholly-owned operating subsidiaries of the Company. The Company is a diversified holding company that owns g subsidiaries engaged in a number of business and investment activities. The Company's largest operating subsidiary, TSI LLC, has been involved in the fitness industry since 1973 and has grown to become one of the largest owners and operators of fitness clubs in the Northeast region of the United States ("U.S."). TSI Group was formed in 2017 to invest in public and private equities and real estate. TSI Holdings' corporate structure provides flexibility to make investments across a broad spectrum of industries in order to create long-term value for stockholders.
Based on the number of clubs, we are one of the leading owners and operators of fitness clubs in the Northeast and Mid-Atlantic regions of the United States and one of the largest fitness club owners and operators in the United States. Our 185 fitness clubs ("clubs") collectively served approximately 627,000 members as of December 31, 2018. Our clubs operate under the various brand names below and are primarily located in the United States of America.
Brand CountNew York Sports Clubs 98 Boston Sports Clubs 33 Washington Sports Clubs 10 Philadelphia Sports Clubs 5 Lucille Roberts 16 TMPL 2 Total Woman Gym and Spa 12 Palm Beach Sports Clubs 3 Christi's Fitness 1 LIV Fitness 2 New York Sports Clubs - Switzerland 3 185