| Team name | Location | League | Level | Status |
|---|---|---|---|---|
| Frederick Keys | Frederick, Maryland | South Atlantic League | professional | active |
| Frederick Keys | Frederick, Maryland | MLB Draft League | professional | defunct |
| Frederick Keys | Frederick, Maryland | Carolina League | professional | defunct |
| Reading Keys | Reading, Pennsylvania | Continental Basketball Association | professional | defunct |
| Reading Keys | Reading, Pennsylvania | Eastern Pennsylvania Basketball League | professional | defunct |