Who are the big 5 in aerospace?
Top 5 Aerospace Companies by Market Cap: Airbus, Honeywell, Boeing, Raytheon, Lockheed Martin. In 2021 so far, the top 10 aircraft manufacturers are Lockheed Martin, Airbus, Boeing, Raytheon Technologies (fka United Technologies), Northrop Grumman, General Electric, Safran, Leonardo, Bombardier, and United Aircraft Corporation.