| | | | | | | | |
| Name of Subsidiary | | Jurisdiction of Organization |
| Aircraft Charter Company Three, LLC | | Indiana |
| Aircraft Charter Company Two, LLC | | Indiana |
| Aircraft Holding Company One, LLC | | Indiana |
| Air Partner Aviation Services Limited | | United Kingdom |
| Air Partner CHS Limited | | United Kingdom |
| Air Partner Consulting Limited | | United Kingdom |
| Air Partner Group Limited | | United Kingdom |
| Air Partner Havacilik ve Tasimacilik | | Republic of Türkiye |
| Air Partner International GmbH | | Germany |
| Air Partner International SAS | | France |
| Air Partner Investments Limited | | United Kingdom |
| Air Partner Limited | | United Kingdom |
| Air Partner LLC | | Delaware |
| Air Partner Middle East DMCC | | United Arab Emirates |
| Air Partner S.r.l. | | Italy |
| Apex AP MidCo Inc. | | Delaware |
| Apex Kenyon MidCo Inc. | | Delaware |
| Avianis Systems LLC | | Delaware |
| Baines Simmons Limited | | United Kingdom |
| Cincinnati Aviation Services LLC | | Delaware |
| Hire Up Talent Services LLC | | Delaware |
| Kenyon International Emergency Services Limited | | United Kingdom |
| Kenyon International Emergency Services LLC | | Delaware |
| Mountain Aviation, LLC | | Colorado |
| Redline Aviation Security Limited | | United Kingdom |
| Redline Worldwide Limited | | United Kingdom |
| Safeskys Limited | | United Kingdom |
| TMC UP Holdings LLC | | Delaware |
| Travel Management Company, LLC | | Indiana |