| Team name | Location | League | Level | Status |
|---|---|---|---|---|
| Cumberland Colts | Cumberland, Maryland | Potomac League | professional | defunct |
| Frostburg Demons | Frostburg, Maryland | Potomac League | professional | defunct |
| Lonaconing Giants | Lonaconing, Maryland | Potomac League | professional | defunct |
| Piedmont Drybugs | Piedmont, West Virginia | Potomac League | professional | defunct |