Six Flags Entertainment Corporation, formerly Six Flags Theme Parks, Inc., is an American amusement park corporation, headquartered in Arlington, Texas. It has properties in Canada, Mexico, and the United States. Wikipedia
Headquarters: Arlington, TX
Founder: Angus G. Wynne
Founded: August 5, 1961, Texas
Number of locations: 27
Subsidiaries: Six Flags Hurricane Harbor, Six Flags San Antonio Ltd, Six Flags Over Georgia, Ltd., and more