Wisconsin State League history
| Class D | 1905-1909, 1940-1942, 1946-1953 |
| Class C | 1910-1914 |
This league played under the name of Wisconsin Association in 1905-1907, as the Wisconsin-Illinois League in 1908-1914, and as the Bi-State League in 1915.
Teams (in alphabetical order)
Appleton Papermakers, 1909-1914, 1940-1942, 1946-1953
Aurora Blues, 1911-1912
Aurora Foxes, 1915
Aurora Islanders, 1910
Beloit Collegians, 1905
Eau Claire/Chippewa Falls Orphans, 1906
Eau Claire Tigers, 1907
Elgin Watch Makers, 1915
Fond du Lac Cubs, 1908
Fond du Lac Giants, 1909-1910
Fond du Lac Molls, 1913
Fond du Lac Mudhens, 1911
Fond du Lac Panthers, 1940-1942, 1946-1953
Fond du Lac Webfoots, 1907
Freeport Pretzels, 1905-1909, 1915
Green Bay Bays, 1909-1914
Green Bay Blue Jays, 1940, 1942, 1946-1953
Green Bay Blue Sox, 1941
Green Bay Colts, 1905-1906
Green Bay Orphans, 1907
Green Bay Tigers, 1908
Janesville Bears, 1946
Janesville Cubs, 1941-1942, 1947-1953
LaCrosse Badgers, 1907
LaCrosse Blackhawks, 1940-1942
LaCrosse Pinks, 1905-1906, 1908
Madison Senators, 1907-1914
Marinette-Menominee Twins, 1914
Milwaukee Creams, 1913
Oshkosh Giants, 1941-1942, 1946-1953
Oshkosh Indians, 1905-1914
Ottawa Indians, 1915
Racine Belles, 1912-1913, 1915
Racine Malted Milks, 1909-1911, 1914
Rockford Reds, 1908-1910
Rockford Wolverines, 1911-1913
Rockford Wolves, 1914
Sheboygan Indians, 1940-1942, 1946-1953
Streator Boosters, 1915
Wausau Lumberjacks, 1905-1908, 1912-1914, 1946-1953
Wisconsin Rapids White Sox, 1940-1942, 1946-1953