It is a league that has many different branches, theres a junior league, western hockey league, and so on, but the main league is the national hockey league which is composed of 30 teams.
The American Hockey League. (AHL)
ECHL (East Coast Hockey League)
The Quebec Junior AAA Hockey League is a Hockey Quebec Junior "AAA" ice hockey league and is a member of Hockey Canada and Canadian Junior Hockey League. A person must be a professional hockey player to join the Quebec Junior AAA Hockey League.
University Hockey League was created in 1998.
Midwest Hockey League was created in 2008.
Federal Hockey League was created in 2009.
Minor Hockey League was created in 2009.
Latvian Hockey League was created in 1931.
Premier Hockey League was created in 2005.
Professional Hockey League was created in 1992.
Icelandic Hockey League was created in 1991.
Canadian Hockey League was created in 1975.