| Business | Phone |
| American Taekwondo Academy 375 Main St, Gaithersburg 20878 | (301) 330-4004 |
| Typhoon School Of Karate 12105 Darnestown Rd, Gaithersburg 20878 | (301) 947-8445 |
| Cirlces Martial Arts Inc 435 E Diamond Ave, Gaithersburg 20877 | (301) 869-2207 |
| Omei Wushu Kung Fu & Tai Chi 18949 Bonanza Way, Gaithersburg 20879 | (301) 990-9789 |