Alberta Oilers (1972-79, renamed Edmonton Oilers in 1973)
Chicago Cougars (1972-75)
Cincinnati Stingers (1975-79)
Calgary Broncos (never played) / Cleveland Crusaders (1972-76) / Minnesota Fighting Saints II (1976-77)
Denver Spurs (1975-76) / Ottawa Civics (1976)
Dayton Aeros (never played) / Houston Aeros (1972-78)
Indianapolis Racers (1974-78)
Los Angeles Sharks (1972-74) / Michigan Stags (1974-75) / Baltimore Blades (1975)
Minnesota Fighting Saints (1972-76)
New England Whalers (1972-79)
New York Raiders (1972-73, renamed New York Golden Blades in 1973) / New Jersey Knights (1973-74) /San Diego Mariners (1974-77)
Ottawa Nationals (1972-73) / Toronto Toros (1973-76) / Birmingham Bulls (1976-79)
Miami Screaming Eagles (never played) / Philadelphia Blazers (1972-73) / Vancouver Blazers (1973-75) / Calgary Cowboys (1975-77)
Phoenix Roadrunners (1974-77)
San Francisco Sharks (never played) / Quebec Nordiques (1972-79)
Winnipeg Jets (1972-79)