| Business | Phone |
| L-3 Vertex Aerospace 1714 First St # 5 # 12, Andrews Afb 20762 | (301) 981-7226 |
| Lear Siegler Svc 1st St Bldg 1220 # 2, Andrews Afb 20762 | (301) 967-3415 |
| Computer Sciences Corp 1280 Arnold Ave, Andrews Afb 20762 | (301) 981-3609 |
| Dyncorp Andrews Afb, Andrews Afb 20762 | (301) 516-5918 |