- Aircraft Owners and Pilots Association
- Air Line Pilots Association Int'l.
- American Airlines
- The Boeing Company
- Cessna Aircraft Company
- Comair Aviation Academy
- Delta Airlines
- Embry-Riddle Aeronautical University
- Experimental Aircraft Association
- EAA Chapter 838, Racine WI
- Federal Aviation Administration
- Flight Training
- Frasca International
- Helicopter Association Int'l.
- McDonnell Douglas Corporation
- National Air Transportation Association
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- National Business Aviation Association
- National Coalition for Aviation Education
- Negro Airmen International
- Private Pilot
- Silver Wings Fraternity
- Soaring Society of America, Inc.
- Sportman's Market, Inc.
- Sporty's Academy, Inc.
- Sporty's Pilot Shop
- Teledyne Continental Motors
- Trade-A-Plane
- University Aviation Association
- UPAS, Inc.
- Women in Aviation, International
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