| Business | Phone |
| Applied Coherent Technology 112 Elden St K, Herndon 20170 | (703) 742-0294 |
| Designetics 12124 Westwood Hills Dr, Herndon 20171 | (703) 620-2748 |
| Horizon Systems Corp 482 Montalto Dr 100, Herndon 20170 | (703) 471-0480 |
| Kylon Consulting Group 1345 Butter Churn Dr, Herndon 20170 | (703) 406-2986 |
| Rkd Assoc Inc Herndon 20170 | (703) 318-7485 |
| Prime Performance Technologies 13873 Park Center Rd, Herndon 20171 | (703) 318-0800 |