| Business | Phone |
| U S Tae Kwon Do College 12401 Middlebrook Rd # 150, Germantown 20874 | (301) 972-1234 |
| Karate Learning Ctr 12931 Wisteria Dr, Germantown 20874 | (301) 540-2800 |
| Karate Zone 13404 Kingsview Village Ave, Germantown 20874 | (301) 972-5425 |
| Kicks Karate 13020 Middlebrook Rd, Germantown 20874 | (301) 916-8000 |