Jeff Bezos
Mr. and Mrs. Steven F. Udvar-Hazy
The Boeing Company
Lockheed Martin Corporation
Thomas W. Haas Foundation
RTX
National Air and Space Society
Barron Hilton / Conrad N. Hilton Foundation
Ann and Travis Engen
      In Memory of Don and Mary Engen
Airbus

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

GE
United Airlines
Northrop Grumman
American Airlines
Delta Air Lines Foundation
Foster and Coco Stanback
Daniels Fund
Jacobs
David M. Rubenstein
Jere and Bonnie Broh-Kahn
Agnes M. Brown
Southwest Airlines
The Claude Moore Charitable Foundation
County of Fairfax
Iridum
Rolex
Cessna Aircraft Company
Analytical Graphics, Inc.
Rolls-Royce North America Inc.
The Joan and Herb Kelleher
      Charitable Foundation
Otto Haas Charitable Trust
Joe Clark
Bruce R. McCaw Family Foundation
Mars Wrigley Confectionery
Charles and Lisa Simonyi
      Fund for Arts and Sciences
In Honor of Javier F. Arango

FedEx
The Emil Buehler Perpetual Trust
Alaska Airlines
JetBlue
Aerojet Rokcetdyne
The John L. Plueger Family
Si and Betty Robin
AAR CORP. 
      David P. Storch
      Ira Eichner
Dr. Leonard M. Greene
Safe Flight Instrument Corporation
Walton Family Foundation
Rich and Sue Sugden and Family
Rod Lewis and Family
Autodesk
Gulfstream Aerospace,
      A General Dynamics Company
AE Industrial Partners, LP
      Michael Greene
      David H. Rowe
Robert W. Pittman
The Funger Foundation,
      Morton and Norma Lee Funger
Robert and Bettye Hammond
Flexjet
The Waterman Trust
Bonnie and Wick Moorman

Phillip N. and Mary A. Lyons
BAE Systems
The Gertrude E. Skelly
      Charitable Foundation
Linda A. Mars
Kevin B. Stone
The Ryna and Melvin Cohen
      Family Foundation
Barry D. Friedman
Wyncote Foundation
John A. and Janet Swanson
A+E Networks/The HISTORY Channel
Hawaiian Airlines
Frontier Airlines
Spirit Airlines
Booz Allen Hamilton
Thomas Pumpelly
PNC Foundation
Richard H. Robb and Rebecca E. Crown
      The Anders Foundation

Honeywell
Charles and Geneva Thornton
National Air Traffic Controllers Association
David and Lisa Tolley
DaRin Butz Foundation
Deloitte
Dr. Michael J. Weir and
      Dr. Mirian Graddick-Weir
Dennis R. Jenkins
Eustace-Kwan Family
GE Foundation
John and Susann Norton
Frederick and Barbara Clark Telling
Neil Webber
The Stuntz Family
Intelsat
Gregory D. and Jennifer Walston Johnson

George Schnitzer
Google
The Brian and Jill Rowe Foundation
James M. and Anita K. Guyette
Norfolk Charitable Trust
Merrill and Hedy Thurston
Robert Harris and Susan Rothermund
William C. and Nellie N. Baker
Robert and Marion Rosenthal
Richard T. Russell, Jr. 
United Launch Alliance
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
Olay
Safran
Jim and Sharon Todd
JLG Industries, Inc. 
Armando, Clarie and Matthew Chapelli
Julia and Frank Daniels, Jr.
Ken and Madge Gazzola
Katherine and James Murray
Matt and Ann Desch
Alcoa
Leora and Derek Kaufman
Meredith Siegfried Madden
      and Dr. Peter Madden
The AES Corporation
Maxar
Paul R. Wood

Mark Dunkerley and Marilia Duffles
Arnold Miller
Claudia R. Allen and Willis M. Allen, Jr.
Ball Aerospace & Technologies Corp.
Chapman Family Charitable Fund
      Robert Sieben Trust
Daniel and Jennifer Baker
OMEGA
Hon. Linda Hall Daschle
      and Hon. Tom Daschle
Sierra Nevada Corporation
FBR
Air Lease Corporation
Jacqueline B. Mars
Mary F. Dominiak
Joseph R. and JoAnne L. Zinecker
Steve and Betsy Loranger
Roger D. and Martha E.V. Hathaway
Byron R. Carter
Cynthia and Edsel Ford
Ellen Stofan and Tim Dunn
Hexcel
Marion C. Blakey and Bill Dooley
Glenn and Donna Boutilier
Atlas Air Worldwide
Jamie and Kasey McJunkin
S. Taylor Glover
The Delman Family
Robert Tuttle and Maria Hummer-Tuttle
Ralph D. Heath
Thales
Chris and Vernice Jones
Nora Hsu and Barry C. Davis
Diane Steed
David and Dawne Hickton
C. Jeffery and Katherine J. Knittel

Carolyn and Peter D. Nesgos
John and Sherry Ziegler
David James Barger
William E. Thomas, Jr.
Thomas and Elizabeth Jones
Douglas Beijer
The Cirlot Agency, Inc.
Joseph Romito
Elizabeth R. Nesbitt
Lt. Col. and Mrs. William K. Konze
Tom and Julie Gentile
Bradford and Jennifer Benn
Robert L. and Anne K. James
Richard W. McKinney and
      Catherine M. Barry
Fountaine Heavy-Haul
Craig L. Fleming
Anne and Raymond Baddour
Stephen M. Trager
Fight for Children
Clay Lacy
Tom and Eileen Culligan
Robert Procop
Amazon
Spirit AeroSystems
Joan and Donald Beall
Kent McKean Cooper
France A. Córdova and Christian J. Foster
Karen and William Dahut
The James Dicke Family
Bob O'Rear & Family
Jason Rowe
Andrew and Laurel Sukawaty
Diane Williams Murphy
U.S. Department of Education