| Business | Phone |
| Enterprise-The Band Mark Gruen 7246 Greentree Rd, Bethesda 20817 | (301) 365-7736 |
| Musical Expressions Inc 10503 Redosier Ct, Bethesda 20814 | (301) 530-7757 |
| Harmony Entertainment Group 8019 Quarry Ridge Way, Bethesda 20817 | (301) 365-2429 |
| Jazz Barristers 6520 Callander Dr, Bethesda 20817 | (301) 320-2583 |