| Business | Phone |
| Cyber Trading Inc Reston 20191 | (703) 860-1540 |
| Datanomics 11501 Sunset Hills Rd 300, Reston 20190 | (571) 203-9777 |
| Emerald Engineering 2507 Charlestown Ln, Reston 20191 | (703) 620-4330 |
| Expert Systems Inc 1800 Michael Faraday Dr, Reston 20190 | (703) 481-6495 |
| Fusa 11301 South Shore Rd, Reston 20190 | (703) 481-9308 |
| Vehicle Control Technologies 1900 Campus Commons Dr 300, Reston 20191 | (703) 620-0703 |
| Swsg 1821 Michael Faraday Dr 302, Reston 20190 | (703) 471-6803 |
| Tetra Tech 1881 Campus Commons Dr 200, Reston 20191 | (703) 391-5875 |
| L-3 Communications Titan Group 11410 Isaac Newton Sq N 103, Reston 20190 | (703) 480-9330 |
| International Commerce Corp 12020 Sunrise Valley Dr 100, Reston 20191 | (703) 391-7700 |
| Kimley-Horn & Assoc Inc 11710 Plaza America Dr, Reston 20190 | (703) 871-5017 |
| Science & Engineering Consultants 11800 Sunrise Valley Dr, Reston 20191 | (703) 471-1600 |
| Scientech Inc 12039 Creekbend Dr, Reston 20194 | (571) 203-0330 |
| Man Machine Interface 2306 November Ln, Reston 20191 | (703) 620-1028 |
| Measurement Analysis Corp 11866 Sunrise Valley Dr 201, Reston 20191 | (703) 264-2001 |
| N V Enterprise Inc 11491 Sunset Hills Rd 320, Reston 20190 | (703) 742-8620 |
| Nuclear Power Technology 1926 Upper Lake Dr, Reston 20191 | (703) 648-0200 |