1. Lockheed Martin Corporation
2. Northrop Grumman Corporation
3. Thales Sa
4. Bae Systems Plc
5. Elbit Systems Limited
6. Leonardo Spa
7. Aerovironment Inc
8. Knight Scope
9. Dji
10. Smp Robotics
11. Boston Dynamics Inc
12. Cobham Plc
13. Kongsberg Gruppen
14. Qinetiq
15. Robotex Inc
16. Recon Robotics Inc