Active teams in bold.

• BC Lions (member 1956–1957)
• Calgary Stampeders (member 1956–1957)
• Edmonton Elks (member 1956–1957)
• Hamilton Tiger-Cats (member 1956–1957)
• Montreal Alouettes (member 1956–1957)
• Ottawa RedBlacks (member 1956–1957)
• Saskatchewan Roughriders (member 1956–1957)
• Toronto Argonauts (member 1956–1957)
• Winnipeg Blue Bombers (member 1956–1957)