- Anteon Corporation
- BAE Systems
- BAE Systems
- Butler National Corp-Tempe
- Capco Inc
- Chung & Assoc
- COLSA Corp
- Cubic Applications
- DCD
- Delta Resources Inc
- DTI Assoc
- EDO Corp Technical Svc
- Electronic Warfare Assoc
- Gray Hawk Systems Inc
- Gutierrez-Palmenberg Inc
- Imprimis Inc
- Innovative Signal Analysis Inc
- International Enterprises Inc
- IRIS Corp
- Isis Inc
- ITT Industries
- ITT Industries Inc
- Kaman Sciences Corp
- L B & B Assoc Inc
- L-3 Communications
- L-3 Communications Ilex Systs
- L2000 Business Solutions Inc
- Mac Aulay-Brown
- Mac Aulay-Brown
- Man Tech Intl
- Man Tech Telecommunications
- METI
- Newtec
- Northop Grumman
- Northrop Gruman Electronics
- Northrop Grumman Integrated
- Sparta Inc
- Systems Planning & Analysis
- Sytex Lockheed Martin
- Textron Systems Corp
- TLS Systems Inc
- TLS Systems Inc
