Big Four League was an Independent and Senior League that played in Alberta.
1929 Ghost Pine, Nacmine, Three Hills, Trochu
1931 Edmonton Alberta Hotel, Edmonton CNR, Edmonton Riverside and St Albert
1933 Calgary, Nacine, Stratmore and Trochu
1947 Calgary Buffalo, Calgary Purity 99, Edmonton Cubs and Edmonton Eskimo
1948 Edmonton Dodgers enter the league and Edmonton Cubs left the league.
1949 No teams enter or left the league.
1950 No teams enter or left the league.