| Business | Phone |
| Effective Solutions 2886 Hibbard St, Oakton 22124 | (703) 255-0246 |
| Escom Corp Po Box 626, Oakton 22124 | (703) 620-4823 |
| Landtech Support Svc 11414 Waples Mill Rd, Oakton 22124 | (703) 620-9499 |
| Micro Managers Inc Oakton 22124 | (703) 264-3900 |
| Modern Software Development 3237 History Dr, Oakton 22124 | (703) 620-1910 |
| Netcom Consulting Inc 3456 Virginia Oaks Dr, Oakton 22124 | (703) 934-6434 |