| Business | Phone |
| Bally Total Fitness 188 Kentlands Blvd, Gaithersburg 20878 | (301) 987-5421 |
| Clubgolf Fitness Ctr 9811 Washingtonian Blvd, Gaithersburg 20878 | (301) 519-1920 |
| Curves For Women 7411 Lindbergh Dr, Gaithersburg 20879 | (301) 330-3841 |
| Curves For Women 9671 Lost Knife Rd, Gaithersburg 20877 | (301) 869-4004 |
| Fitness Co 700 Russell Ave, Gaithersburg 20877 | (301) 990-8121 |
| Fitness First 18243 Flower Hill Way # A, Gaithersburg 20879 | (301) 330-1800 |
| Fitness First 12171 Darnestown Rd, Gaithersburg 20878 | (301) 963-4800 |
| National Fitness Conslnt Inc 9168 Gaither Rd, Gaithersburg 20877 | (301) 990-0101 |
| Gold's Gym 255 Muddy Branch Rd, Gaithersburg 20878 | (301) 721-4653 |
| Ladies Workout Express 9158 Rothbury Dr, Gaithersburg 20886 | (301) 977-3211 |