| Business | Phone |
| Abc Electronics 3623 Leonardtown Rd, Waldorf 20601 | (301) 885-1150 |
| C & M Electronics 2870 Stavors Rd, Waldorf 20603 | (301) 870-6085 |
| Circuit City 3000 Festival Way, Waldorf 20601 | (301) 932-9100 |
| Electronic Machine Design Inc 3030 Covenant Pl, Waldorf 20603 | (301) 645-6423 |
| Mobile Electronic Svc Inc 2580 Old Washington Rd # B, Waldorf 20601 | (301) 396-4100 |
| Radio Shack 11110 Mall Cir # 1061, Waldorf 20603 | (301) 843-5791 |
| Radio Shack 3322 Crain Hwy, Waldorf 20603 | (301) 843-1611 |