Jeff Bezos
Mr. and Mrs. Steven F. Udvar-Hazy
The Boeing Company
Lockheed Martin Corporation
Raytheon Technologies
Barron Hilton / Conrad N. Hilton Foundation
National Air and Space Society
Ann and Travis Engen
      In Memory of Don and Mary Engen
John and Adrienne Mars

National Aeronautics and Space Administration
Thomas W. Haas Foundation
Airbus
The Hillside Foundation – Allan and Shelley Holt
The JSM Charitable Trust
      James S. McDonnell III
      John F. McDonnell
Kislak Family Foundation / Jay I. Kislak
Textron Inc. 
Kenneth C. Griffin

United Airlines
GE
Northrop Grumman
American Airlines
Delta Air Lines Foundation
Daniels Fund
Jacobs
David M. Rubenstein
Apollo 11 Commemorative Coin Program
Southwest Airlines
The Claude Moore Charitable Foundation
County of Fairfax
Rolex
Rolls-Royce North America Inc. 
Cessna Aircraft Company
Analytical Graphics, Inc. 
The Joan and Herb Kelleher Charitable Foundation
Joe Clark
Charles and Lisa Simonyi Fund for Arts and Sciences
Mars Wrigley Confectionery
FedEx Corporation
Bruce R. McCaw Family Foundation
Bombardier
The Emil Buehler Perpetual Trust
Alaska Airlines
JetBlue
Alcoa
Susan and Jim Cargill
      Meghann and Patrick Harker
      Christian Harker

National Business Aviation Association
AAR CORP. 
      David P. Storch
      Ira Eichner
The John L. Plueger Family
Si and Betty Robin
Charles and Geneva Thornton
Otis and Lynn Booth
Rich and Sue Sugden and Family
Foster and Coco Stanback
Walton Family Foundation
Rod Lewis and Family
Autodesk
Gulfstream Aerospace,
      A General Dynamics Company
Robert W. Pittman
The Funger Foundation,
Morton and Norma Lee Funger
AE Industrial Partners, LP
      Michael Greene
      David H. Rowe
Robert and Bettye Hammond
Jere and Bonnie Broh-Kahn
Dr. Leonard M. Greene
Wick and Bonnie Moorman
Flexjet

Guenther and Siewchin Yong Sommer
Phillip N. and Mary A. Lyons
The Gertrude E. Skelly Charitable Foundation
BAE Systems
John A. and Janet Swanson
Linda A. Mars
Hawaiian Airlines
A+E Networks/The HISTORY Channel
Frontier Airlines
Spirit Airlines
Booz Allen Hamilton
Thomas Pumpelly
PNC Foundation
The Anders Foundation
In Honor of Javier F. Arango
Honeywell
The Ryna and Melvin Cohen Family Foundation
National Air Traffic Controllers Association
Richard H. Robb and Rebeccca E. Crown
David M. Tolley
GE Foundation
Eustace-Kwan Family
John and Susann Norton
Barry D. Friedman
Neil Webber
Gregory D. and Jennifer Walston Johnson
Frederick and Barbara Clark Telling
Google
George Schnitzer
James M. and Anita K. Guyette
Norfolk Charitable Trust
Merrill and Hedy Thurston
Robert Harris and Susan Rothermund
Aerojet Rocketdyne
William C. and Nellie N. Baker
Robert and Marion Rosenthal
Richard T. Russell, Jr. 
Stuart and Paula Fred
Nancy and Clive Runnells
      In Memory of Pierce Runnells
Bell Helicopter, A Textron Company
United States Patent and Trademark Office
Bruce and Jolene McCaw Family
Steven and Caroline VanRoekel
Dennis R. Jenkins
Julia and Frank Daniels, Jr. 
Olay
Aviation Week
Safe Flight Instrument Corporation
JLG Industries, Inc. 
Armando, Clarie and Matthew Chapelli
United Launch Alliance
Owen F. Ruggles
Ken and Madge Gazzola
Jim and Sharon Todd
Leora and Derek Kaufman
Meredith Siegfried Madden and Dr. Peter Madden
Bruce E. Del Mar
Safran
Matt and Ann Desch

The Stuntz Family
Deloitte
Paul R. Wood
DaRin Butz Foundation
The Alvin, Lottie and Rachel Gray Fund
and Azzizi Gray
George W. Elliott
Robert L. and Anne K. James
The Brian and Jill Rowe Foundation
Ball Aerospace & Technologies Corp.
Chapman Family Charitable Fund
Robert Sieben Trust
OMEGA
Agnes M. Brown
Arnold Miller
FBR
Daniel and Jennifer Baker
Byron R. Carter
Jacqueline B. Mars
Ellen Stofan and Tim Dunn
Anna F. and John Laynor
Jamie and Kasey McJunkin
Robert Tuttle and Maria Hummer-Tuttle
Roger D. and Martha E.V. Hathaway
Mark Dunkerley and Marilia Duffles
Cynthia and Edsel Ford
Atlas Air Worldwide
Sierra Nevada Corporation
Air Traffic Control Association (ATCA)
Marion C. Blakey and Bill Dooley
S. Taylor Glover
Ralph D. Heath
John and Sherry Ziegler
Anne and Til Hazel
Nora Hsu and Barry C. Davis
David and Dawne Hickton 
David James Barger
The Cirlot Agency, Inc. 
Glenn and Donna Boutilier
Joseph Romito
Air Lease Corporation
Willard H. and Ann Strandberg, Jr. 
Leidos
Fontaine Heavy-Haul
Anne and Raymond Baddour
Richard W. McKinney
Stephen M. Trager
Fight for Children
Steve and Betsy Loranger
Tom and Eileen Culligan
Jack H. Bates
Joan and Donald Beall
Kent McKean Cooper
France A. Córdova and Christian J. Foster
Karen and William Dahut
U.S. Department of Education
Dorothy E. Ebersbach
General Atomics Aeronautical Systems, Inc. 
Robert Procop
Spirit AeroSystems