Tri County League was an Independent League that was based in Wisconsin
1929 - Cotage Grove, Hollandale, Madison Checker Cats, Madison Police, Monroe, Mount Horeb, New Glarus, Verona
1930 - Not sure if this league played
1931 - Not sure if this league played
1932 - Casco, Denmark, East Krok, Luxemburg, Rio Creek, Stangelville, West Kewaunee
1933 to 1940 Not sure if this league played
1941 - Algoma, Green Bay, Kewaunee, Sturgeon Bay