| Business | Phone |
| Acs 1225 Jefferson Davis Hwy #1300, Arlington 22202 | (703) 413-0216 |
| Datatrac Information Drive 1501 Wilson Blvd, Arlington 22209 | (703) 525-5668 |
| Knight-Ridder Inc 1525 Wilson Blvd, Arlington 22209 | (703) 524-8005 |
| Knight-Ridder Inc 1560 Wilson Blvd, Arlington 22209 | (703) 524-8004 |
| Edsi 1211 N Glebe Rd, Arlington 22201 | (703) 465-4704 |
| First Information Technology 1111 Jefferson Davis Hwy, Arlington 22202 | (703) 271-1020 |
| Verizon Information Svc 3100 N Glebe Rd, Arlington 22207 | (703) 974-1000 |
| Second War Weapons 6201 31st St N, Arlington 22207 | (703) 533-9442 |
| Lockheed Martin Corp 2001 Jefferson Davis Hwy, Arlington 22202 | (703) 415-0902 |
| Japan Technical Information Co 1300 Crystal Dr, Arlington 22202 | (703) 416-6006 |
| Japan Technological Info Ctr 1211 S Eads St, Arlington 22202 | (703) 892-0345 |
| Info Services & Pr Inc Arlington National Cemetery, Arlington 22204 | (703) 521-5300 |
| Information Sciences Institute 3811 Fairfax Dr, Arlington 22203 | (703) 807-0132 |
| Information Spectrum 1235 S Clark St, Arlington 22202 | (703) 413-7162 |
| Data Fusion Corp 1300 17th St N, Arlington 22209 | (703) 528-3411 |