| Team name | Location | League | Level | Status |
|---|---|---|---|---|
| Duluth Dukes | Duluth, Minnesota | Twin Ports League | professional | defunct |
| Duluth Heralds | Duluth, Minnesota | Twin Ports League | professional | defunct |
| Duluth Machine Iron | Duluth, Minnesota | Twin Ports League | professional | defunct |
| Superior Bays | Superior, Wisconsin | Twin Ports League | professional | defunct |