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professional sports league
10 companies
American Hockey League1936
Major League BaseballNew York City
Major League SoccerPennsylvania Plaza
National Basketball AssociationAugust 3, 1949
National Football League345 Park Avenue
National Hockey LeagueNew York City
National Lacrosse LeagueConshohocken
Professional Women's Hockey LeagueAugust 2023
United Football LeagueDecember 31, 2023
XFL2018
Major League BaseballNew York CityMajor League SoccerPennsylvania PlazaNational Basketball AssociationAugust 3, 1949National Football League345 Park AvenueNational Hockey LeagueNew York CityNational Lacrosse LeagueConshohockenProfessional Women's Hockey LeagueAugust 2023United Football LeagueDecember 31, 2023XFL2018