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professional sports league
9 companies
American Hockey League1936
Major League BaseballNew York City
Major League SoccerPennsylvania Plaza
National Basketball Association3 August 1949
National Football League345 Park Avenue
National Lacrosse LeagueConshohocken
Professional Women's Hockey LeagueAugust 2023
United Football League31 December 2023
XFL2018
Major League BaseballNew York City
Major League SoccerPennsylvania Plaza
National Basketball Association3 August 1949
National Football League345 Park Avenue
National Lacrosse LeagueConshohocken
Professional Women's Hockey LeagueAugust 2023
United Football League31 December 2023
XFL2018