| Team name | Location | League | Level | Status |
|---|---|---|---|---|
| Alton Blues | Alton, Illinois | Three-I League | professional | defunct |
| Bloomington Bengals | Bloomington, Illinois | Three-I League | professional | defunct |
| Bloomington Bloomers | Bloomington, Illinois | Three-I League | professional | defunct |
| Bloomington Blues | Bloomington, Illinois | Three-I League | professional | defunct |
| Bloomington Cubs | Bloomington, Illinois | Three-I League | professional | defunct |
| Burlington Bees | Burlington, Iowa | Three-I League | professional | defunct |
| Burlington Flints | Burlington, Iowa | Three-I League | professional | defunct |
| Cedar Rapids Braves | Cedar Rapids, Iowa | Three-I League | professional | defunct |
| Cedar Rapids Indians | Cedar Rapids, Iowa | Three-I League | professional | defunct |
| Cedar Rapids Rabbits | Cedar Rapids, Iowa | Three-I League | professional | defunct |
| Clinton Giants | Clinton, Iowa | Three-I League | professional | defunct |
| Clinton Infants | Clinton, Iowa | Three-I League | professional | defunct |
| Clinton Owls | Clinton, Iowa | Three-I League | professional | defunct |
| Danville Dodgers | Danville, Illinois | Three-I League | professional | defunct |
| Danville Speakers | Danville, Illinois | Three-I League | professional | defunct |
| Danville Veterans | Danville, Illinois | Three-I League | professional | defunct |
| Davenport Blue Sox | Davenport, Iowa | Three-I League | professional | defunct |
| Davenport Cubs | Davenport, Iowa | Three-I League | professional | defunct |
| Davenport DavSox | Davenport, Iowa | Three-I League | professional | defunct |
| Davenport Knickerbockers | Davenport, Iowa | Three-I League | professional | defunct |
| Davenport Pirates | Davenport, Iowa | Three-I League | professional | defunct |
| Davenport Prodigals | Davenport, Iowa | Three-I League | professional | defunct |
| Davenport Quads | Davenport, Iowa | Three-I League | professional | defunct |
| Davenport River Rats | Davenport, Iowa | Three-I League | professional | defunct |
| Davenport Riversides | Davenport, Iowa | Three-I League | professional | defunct |
| Davenport Tigers | Davenport, Iowa | Three-I League | professional | defunct |
| Decatur Commodores | Decatur, Illinois | Three-I League | professional | defunct |
| Decatur Cubs | Decatur, Illinois | Three-I League | professional | defunct |
| Decatur Nomads | Decatur, Illinois | Three-I League | professional | defunct |
| Des Moines Demons | Des Moines, Iowa | Three-I League | professional | defunct |
| Dubuque Dubs | Dubuque, Iowa | Three-I League | professional | defunct |
| Dubuque Hustlers | Dubuque, Iowa | Three-I League | professional | defunct |
| Dubuque Shamrocks | Dubuque, Iowa | Three-I League | professional | defunct |
| Evansville Bees | Evansville, Indiana | Three-I League | professional | defunct |
| Evansville Black Sox | Evansville, Indiana | Three-I League | professional | defunct |
| Evansville Braves | Evansville, Indiana | Three-I League | professional | defunct |
| Evansville Evas | Evansville, Indiana | Three-I League | professional | defunct |
| Evansville Hubs | Evansville, Indiana | Three-I League | professional | defunct |
| Evansville Little Evas | Evansville, Indiana | Three-I League | professional | defunct |
| Evansville Pocketeers | Evansville, Indiana | Three-I League | professional | defunct |
| Evansville River Rats | Evansville, Indiana | Three-I League | professional | defunct |
| Fort Wayne Chiefs | Fort Wayne, Indiana | Three-I League | professional | defunct |
| Fox Cities Foxes | Appleton, Wisconsin | Three-I League | professional | defunct |
| Freeport Comeons | Freeport, Illinois | Three-I League | professional | defunct |
| Green Bay Bluejays | Green Bay, Wisconsin | Three-I League | professional | defunct |
| Green Bay Dodgers | Green Bay, Wisconsin | Three-I League | professional | defunct |
| Hannibal Mules | Hannibal, Missouri | Three-I League | professional | defunct |
| Joliet Standards | Joliet, Illinois | Three-I League | professional | defunct |
| Keokuk Kernels | Keokuk, Iowa | Three-I League | professional | defunct |
| Lincoln Chiefs | Lincoln, Nebraska | Three-I League | professional | defunct |
| Madison Blues | Madison, Wisconsin | Three-I League | professional | defunct |
| Moline Plowboys | Moline, Illinois | Three-I League | professional | defunct |
| Peoria Chiefs | Peoria, Illinois | Three-I League | professional | defunct |
| Peoria Distillers | Peoria, Illinois | Three-I League | professional | defunct |
| Peoria Reds | Peoria, Illinois | Three-I League | professional | defunct |
| Peoria Tractors | Peoria, Illinois | Three-I League | professional | defunct |
| Quincy Gems | Quincy, Illinois | Three-I League | professional | defunct |
| Quincy Indians | Quincy, Illinois | Three-I League | professional | defunct |
| Quincy Infants | Quincy, Illinois | Three-I League | professional | defunct |
| Quincy Old Soldiers | Quincy, Illinois | Three-I League | professional | defunct |
| Rochester A's | Rochester, Minnesota | Three-I League | professional | defunct |
| Rock Island Islanders | Rock Island, Illinois | Three-I League | professional | defunct |
| Rockford Bells | Rockford, Illinois | Three-I League | professional | defunct |
| Rockford Red Sox | Rockford, Illinois | Three-I League | professional | defunct |
| Rockford Rox | Rockford, Illinois | Three-I League | professional | defunct |
| Rockford Wakes | Rockford, Illinois | Three-I League | professional | defunct |
| Sioux City Soos | Sioux City, Iowa | Three-I League | professional | defunct |
| Springfield Browns | Springfield, Illinois | Three-I League | professional | defunct |
| Springfield Foot Trackers | Springfield, Illinois | Three-I League | professional | defunct |
| Springfield Hustlers | Springfield, Illinois | Three-I League | professional | defunct |
| Springfield Senators | Springfield, Illinois | Three-I League | professional | defunct |
| Springfield Watchmakers | Springfield, Illinois | Three-I League | professional | defunct |
| Terre Haute Browns | Terre Haute, Indiana | Three-I League | professional | defunct |
| Terre Haute Coals | Terre Haute, Indiana | Three-I League | professional | defunct |
| Terre Haute Hottentots | Terre Haute, Indiana | Three-I League | professional | defunct |
| Terre Haute Huts | Terre Haute, Indiana | Three-I League | professional | defunct |
| Terre Haute Phillies | Terre Haute, Indiana | Three-I League | professional | defunct |
| Terre Haute Raiders | Terre Haute, Indiana | Three-I League | professional | defunct |
| Terre Haute Tigers | Terre Haute, Indiana | Three-I League | professional | defunct |
| Terre Haute Tots | Terre Haute, Indiana | Three-I League | professional | defunct |
| Topeka Hawks | Topeka, Kansas | Three-I League | professional | defunct |
| Topeka Reds | Topeka, Kansas | Three-I League | professional | defunct |
| Waterloo Boosters | Waterloo, Iowa | Three-I League | professional | defunct |
| Waterloo Hawks | Waterloo, Iowa | Three-I League | professional | defunct |
| Waterloo Red Hawks | Waterloo, Iowa | Three-I League | professional | defunct |
| Waterloo White Hawks | Waterloo, Iowa | Three-I League | professional | defunct |
| Winona A's | Winona, Minnesota | Three-I League | professional | defunct |