| Adventure Park USA | Monrovia, Maryland, United States | Operating | | 3 |
| Baja Amusements | Ocean City, Maryland, United States | Operating | | 1 |
| | Bay Ridge Park | Annapolis, Maryland, United States | - | | - |
| | Bay Shore Park | Sparrows Point, Maryland, United States | - | | - |
| | Carlin's Park | Baltimore, Maryland, United States | - | - | - |
| | Frederick Road Park | Baltimore, Maryland, United States | - | - | - |
| | Glen Echo Park | Glen Echo, Maryland, United States | Operating | | - |
| | Gwynn Oak Park | Baltimore, Maryland, United States | - | - | - |
| | Hollywood Park | Baltimore, Maryland, United States | - | ≤ | - |
| | Jeepers | Rockville, Maryland, United States | - | | - |
| | Jeepers | Parkville, Maryland, United States | - | | - |
| Jolly Roger Amusement Park | Ocean City, Maryland, United States | Operating | | 4 |
| | Jolly Roger at the Pier | Ocean City, Maryland, United States | Operating | | 1 |
| | Kiddieland Park | Takoma Park, Maryland, United States | - | | - |
| | Laugh Out Loud Stations | Greenbelt, Maryland, United States | Operating | | - |
| | Leonardtown Volunteer Fire Department | Leonardtown, Maryland, United States | Operating | - | - |
| | Marshall Hall Park | Bryans Road, Maryland, United States | - | - | - |
| | Playland Park | Ocean City, Maryland, United States | - | | - |
| | Seaside Park | Chesapeake Beach, Maryland, United States | - | ≤ | - |
| Six Flags America | Upper Marlboro, Maryland, United States | Operating | | 9 |
| | Tolchester Beach Park | Chestertown, Maryland, United States | - | | - |
| Trimper's Rides | Ocean City, Maryland, United States | Operating | | 4 |
| | Wisp Resort | McHenry, Maryland, United States | Operating | - | 1 |