?- Honeywell International Inc.
- Raytheon Technologies Corporation
- Parker Hannifin Corp.
- Eaton Corporation plc
- Moog Inc.
- Safran SA
- Triumph Group
- Woodward Inc.
- Arkwin Industries Inc.
- Electromech Technologies
- Nook Industries Inc.
- Liebherr-International Deutschland GmbH
- Beaver Aerospace & Defense Inc.