- A S Eleven
- AAI Corp
- Access Research Corp
- Access Research Corp
- Aero Simulation Inc
- Aeronautical Systems Enginee
- Airbus North America Engrng
- Aircraft Tooling & Design Grp
- Akouri Consulting Engineers
- Alpha Systems Engineering Corp
- Arinc Inc
- Arinc Inc
- Arinc Inc
- Ast
- Aviation Consulting
- Baker Aviation Svc
- Composite Engineering Inc
- DACA Intl Inc
- DER Assoc
- DER Svc
- Design Analysis & Research
- Fern Creek Electronics
- Garrett Aviation Consulting
- Gastops Inc
- General Aerospace Inc
- General Dynamics Advanced Info
- Guided Systems Technologies
- J B Dwerlkotte Assoc Inc
- Jetaire Aerospace & Technology
- Jossair Co
- Kohlman Systems Research Inc
- Kosola & Assoc Inc
- L-3 Communications Titan Group
- Mc Gettrick Structural Engnrng
- Meggitt
- Oleson Technologies
- Serv-Air Inc
- Serv-Air Inc
- Southwest Research Institute
- Tally Engineering
- Technicad
- Zadah Henderson & Assoc
