?- Lee Air Inc.
- Safran SA
- Astronics Corporation
- Crane Co.
- ITT Inc.
- CEF Industries LLC
- ElectroCraft Inc.
- NOOK Industries Inc.
- Rollon SpA
- Buhler Motor GmbH
- AMETEK Inc.
- Kyntronics
- Meggitt PLC
- OTM Servo Mechanisms Limited