| Business | Phone |
| Frederick County Parks & Rec 118 N Market St, Frederick 21701 | (301) 694-1646 |
| Frederick Parks Dept 111 Airport Dr E, Frederick 21701 | (301) 694-1430 |
| Frederick Recreation Dept 121 N Bentz St, Frederick 21701 | (301) 694-1492 |
| Middletown Comm Prk Concession 118 N Market St, Frederick 21701 | (301) 371-6107 |