| Business | Phone |
| American Systems Group Inc 1327 Quail Ridge Dr, Reston 20194 | (703) 742-8006 |
| Calabco 1800 Michael Faraday Dr, Reston 20190 | (703) 478-0021 |
| Charles E Smith Co 12120 Sunset Hills Rd # 30, Reston 20190 | (703) 435-0672 |
| Compaq Computers 10700 Parkridge Blvd 500, Reston 20191 | (703) 476-0550 |
| Computer Consultants 1950 Roland Clarke Pl, Reston 20191 | (703) 860-6600 |
| Covey Leadership 11921 Freedom Dr, Reston 20190 | (703) 904-4367 |
| Genesis Technology Group Inc 11921 Freedom Dr, Reston 20190 | (703) 925-5914 |
| Visual Computing Group 11800 Sunrise Valley Dr, Reston 20191 | (703) 758-8319 |
| Unisys Corporation 12010 Sunrise Valley Dr, Reston 20191 | (703) 620-7000 |
| Teq-Shield Co 11821 Riders Ln, Reston 20191 | (703) 264-5009 |
| Sun Microsystems 1775 Wiehle Ave 200, Reston 20190 | (571) 203-8000 |
| L K Enterprises 2057 Headlands Cir, Reston 20191 | (703) 758-8405 |
| Red River Computer Co 12007 Sunrise Valley Dr 200, Reston 20191 | (703) 476-6300 |
| New Technology 11130 Sunrise Valley Dr 300, Reston 20191 | (703) 359-7636 |