| Product Type | TC Holder | | Model | |
 | Aircraft |
| 4004 | | |
|
| 2730 | |  |
|
|
 | Aerojet-General Corporation |
| 1 | | |
|
|
  | Aeronca Aircraft Corporation |
| 5 | |  |
|
|
 | Air Repair, Inc. |
| 14 | | |
|
|
| 1 | |  |
|
|
 | Alfa Romeo Avio S.p.A. |
| 3 | | |
|
|
  | Allied Aviation Corporation |
| 1 | |  |
|
|
 | Alvis Limited |
| 22 | | |
|
|
  | American Aircraft Company |
| 1 | |  |
|
|
 | American Cirrus Engines, Inc. |
| 3 | | |
|
|
  | Ames Industrial Corporation |
| 1 | |  |
|
|
 | Armstrong-Siddeley |
| 1 | | |
|
|
  | Arrow Aircraft & Motor Corp. |
| 2 | |  |
|
|
 | Augustine Automatic Rotary Engine Company |
| 1 | | |
|
|
| 1 | |  |
|
|
 | Aviation Holding Company |
| 2 | | |
|
|
| 1 | |  |
|
|
 | BMW Triebwerkbau G.m.b.H. |
| 1 | | |
|
|
| 9 | |  |
|
|
 | Bristol Aero-Engines, Ltd |
| 2 | | |
|
|
  | Bristol Aerospace (1968) Limited |
| 1 | |  |
|
|
 | Bristol Siddeley Engines, Ltd. |
| 8 | | |
|
|
| 1 | |  |
|
|
 | CFM International, S.A. |
| 194 | | |
|
|
  | Church Airplane and Manufacturing Company, Inc. |
| 1 | |  |
|
|
 | Comet Engine Corporation |
| 2 | | |
|
|
  | Commonwealth Aircraft, Inc. |
| 2 | |  |
|
|
 | Continental Aviation & Engineering Corporation |
| 2 | | |
|
|
  | Curtiss-Wright/Marquette, Inc. |
| 83 | |  |
|
|
 | DeVore Aviation Corporation |
| 3 | | |
|
|
| 1 | |  |
|
|
 | Engine Alliance |
| 2 | | |
|
|
  | Fairchild Engine Division, Fairchild Engine and Airplane Corp. |
| 28 | |  |
|
|
 | Franklin Engine Company |
| 16 | | |
|
|
| 1 | |  |
|
|
 | GE Aviation Czech s.r.o. |
| 6 | | |
|
|
  | General Electric Aircraft Engines |
| 88 | |  |
|
|
 | General Electric Company |
| 53 | | |
|
|
| 8 | |  |
|
|
 | Hamilton Standard Division |
| 1 | | |
|
|
| 1 | |  |
|
|
 | Hiller Helicopters |
| 1 | | |
|
|
  | Honeywell International Inc. |
| 166 | |  |
|
|
 | International Aero Engines AG (IAE) |
| 10 | | |
|
|
  | Ishikawajima-Harima Heavy Industries Co., Ltd. |
| 2 | |  |
|
|
 | Jacobs Aircraft Engine Co. |
| 3 | | |
|
|
  | Lenape Aircraft and Motors, Inc. |
| 6 | |  |
|
|
 | Light Helicopter Turbine Engine Company |
| 2 | | |
|
|
| 463 | |  |
|
|
 | Macciatchie Manufacturing Co. |
| 1 | | |
|
|
  | Menasco Manufacturing Co. |
| 12 | |  |
|
|
 | Merlyn Products Inc |
| 1 | | |
|
|
  | Milwaukee Parts Corporation |
| 2 | |  |
|
|
 | Monocoupe Corporation |
| 1 | | |
|
|
  | Mooney Aircraft Corporation |
| 2 | |  |
|
|
 | Napier, D., and Son, Ltd. |
| 8 | | |
|
|
  | National Aeronca Association |
| 3 | |  |
|
|
 | Phillips Aviation Company |
| 3 | | |
|
|
| 9 | |  |
|
|
 | Post, Wiley Aircraft Corp. |
| 1 | | |
|
|
  | Pratt & Whitney Canada Corp. |
| 153 | |  |
|
|
 | Pratt & Whitney Canada, Inc. |
| 4 | | |
|
|
| 217 | |  |
|
|
 | Rhoades, Charles R. |
| 2 | | |
|
|
| 1 | |  |
|
|
 | Rolls-Royce Corporation |
| 78 | | |
|
|
  | Rolls-Royce Deutschland Ltd & Co KG |
| 47 | |  |
|
|
 | Rolls-Royce Limited |
| 38 | | |
|
|
  | Rolls-Royce Limited, Bristol Engines Division |
| 4 | |  |
|
|
 | Rolls-Royce Motors, Ltd. |
| 1 | | |
|
|
| 62 | |  |
|
|
 | Salmson |
| 1 | | |
|
|
| 1 | |  |
|
|
 | Sky Motors |
| 2 | | |
|
|
  | Societe de Motorisation Aeronautiques |
| 1 | |  |
|
|
 | Steward-Davis Incorporated |
| 4 | | |
|
|
| 2 | |  |
|
|
 | Teledyne Continental Motors |
| 360 | | |
|
|
  | Textron Lycoming, AVCO Corporation |
| 222 | |  |
|
|
 | Thielert Aircraft Engines GmbH |
| 9 | | |
|
|
| 1 | |  |
|
|
 | Turbomeca S.A. |
| 67 | | |
|
|
  | Universal Moulded Aircraft Corporation |
| 1 | |  |
|
|
 | Universal Propulsion Company, Inc. (UPCo) |
| 1 | | |
|
|
| 1 | |  |
|
|
 | Warner Engine Company, LLC |
| 17 | | |
|
|
  | Waterman Arrowplane Corp. |
| 1 | |  |
|
|
 | Williams International Company, L.L.C. |
| 8 | | |
|
|
  | Wright Aeronautical Division, Curtiss-Wright Corporation |
| 74 | |  |
|
|
 | Wytwornia Sprzetu Komunikacyjnego |
| 79 | | |
|
|
| 1 | |  |
 | Propeller |
| 782 | | |
|
| 7516 | |  |