| Business | Phone |
| Federal Mktg 4 Loudoun St Se # 2, Leesburg 20175 | (703) 904-9763 |
| Robertson Mailing List Co 44084 Riverside Pkwy 350, Leesburg 20176 | (703) 707-8811 |
| Robert G Brown & Assoc 11 Loudoun St Se, Leesburg 20175 | (703) 777-0007 |
| Sales Network 7 Loudoun St Sw B, Leesburg 20175 | (703) 779-4890 |
| Image Matters Inc 201 Loudoun St Sw, Leesburg 20175 | (703) 669-5510 |
| Norloff Communications Ltd 43225 Cavell Ct, Leesburg 20176 | (703) 898-0957 |
| Leica Technologies Inc 107 N King St, Leesburg 20176 | (703) 478-1001 |
| Gemini Direct Inc 40850 Robin Cir, Leesburg 20175 | (703) 779-7729 |