| Business Name | Phone | Address | zip code |
| Premise Llc | (703)234-4178 | 13800 Coppermine Road Suite 246 | 20171 |
| Odisea Inc | (703)435-1524 | 2801 West Ox Road | 20171 |
| Borklund Data Systems Inc | (703)435-2959 | 13873 Park Center Road Suite 377 | 20171 |
| Nortel Networks | (703)712-8008 | 2010 Corporate Ridge | 20171 |
| Talos Technology Consulting Inc | (703)715-3500 | 3336 Fern Hollow Place | 20171 |
| CDG Inc | (703)758-1547 | 12600 Hay Meadow Place | 20171 |
| Ness Inc | (703)758-7911 | 2905 Fox Mill Road | 20171 |
| Progressive Technology Consultants | (703)793-0446 | 13641 Saint Johns Wood Place | 20171 |
| MCS Group- Inc. | (703)793-0847 | 2435 Clover Field Circle Suite 101 | 20171 |
| Network Access Solutions | (703)793-4000 | 13625 Dulles Technology Drive | 20171 |
| POMS Corporation | (703)793-4400 | 13655 Dulles Technology Drive Suite 200 | 20171 |
| Cascade Technologies Inc | (703)793-7222 | 13655 Dulles Technology Dr | 20171 |
| SVcompu | (703)980-8625 | 12950 Park Cresecent Cir | 20171 |
| ZyEdge LLC | (703)234-7820 | 13800 Coppermine Road | 20171 |
| Trisec Associates Inc | (703)471-6564 | 2905 Parklawn Court | 20171 |
| Trusecure Corporation | (703)480-8200 | 13650 Dulles Technology Drive | 20171 |
| NETSEC | (703)561-0420 | 13505 Dulles Technology Dr | 20171 |
| NetLink Consult | (703)708-5098 | 2480 Wheat Meadow Circle | 20171 |
| Secure Network Systems Inc | (703)758-8606 | 11654 Plaza America Drive 740 | 20171 |
You can also check out Computer Networking in Herndon