| Business | Phone |
| Curves For Women 5 Willowdale Dr, Frederick 21702 | (301) 620-4268 |
| Curves For Women 9211 Baltimore Rd, Frederick 21704 | (301) 846-0088 |
| Figures Fast Fun Fitness 4959 New Design Rd, Frederick 21703 | (301) 698-0007 |
| Fitness First 1051 W Patrick St, Frederick 21702 | (301) 620-9220 |
| Fitness First 490 Prospect Blvd # B, Frederick 21701 | (301) 624-4100 |
| Fitness Jim 1845 Brookfield Ct, Frederick 21701 | (301) 662-7922 |
| Frederick Athletic Club 5245 Westview Dr, Frederick 21703 | (301) 668-1919 |
| Gold's Gym 5620 Buckeystown Pike # B, Frederick 21704 | (301) 698-4653 |
| Just A Gym 183 Thomas Johnson Dr # 183 A, Frederick 21702 | (301) 662-0911 |
| Regeneration Fitness 1301 W Patrick St, Frederick 21702 | (301) 694-5757 |