1. Airbus SAS
2. Dronamics Global Limited
3. General Atomics
4. General Dynamics Mission Systems Inc.
5. General Electric Company
6. Honeywell International Inc.
7. Kaman Corporation
8. Leonardo S.p.A.
9. Lockheed Martin Corporation
10. Matternet
11. Raytheon Technologies Corporation
12. Singular Aircraft S.L.
13. Thales Group
14. The Boeing Company
15. United Parcel Service of America Inc.