| Business | Phone |
| Technology Information Corp 11820 Parklawn Dr # 350, Rockville 20852 | (301) 476-7329 |
| Best Buy 1200 Rockville Pike, Rockville 20852 | (301) 984-1479 |
| Circuit City 12017 Ashley Dr, Rockville 20852 | (301) 881-4840 |
| Circuit City 1501 Rockville Pike, Rockville 20852 | (301) 881-4581 |
| Radio Shack 1600 Rockville Pike, Rockville 20852 | (301) 881-8323 |
| Radio Shack 777 Hungerford Dr, Rockville 20850 | (301) 279-7557 |
| Electronic Boutique 14929 Shady Grove Rd, Rockville 20850 | (301) 279-6980 |