Tier I

United States Hockey League
– history
– USHL players in the NHL
– USHL Tender History

Tier II

North American Hockey League
– history
– NAHL players in the NHL

United States Premier Hockey League – National Collegiate Development Conference (unofficial Tier II)
– history

Tier III

Eastern Hockey League (formerly the Atlantic Jr. Hockey League)
– history

Eastern Junior Hockey League (defunct)
coming soon