List of world valuable defence companies , someone put together. Thought might be useful here. Some are definately missing that should be on there IMHO. But a good starting point nontheless for further research.

The world’s Most Valuable Defense Companies:
🇺🇸 RTX: $183.2 billion
🇺🇸 Honeywell: $144.7b
🇫🇷 Safran: $123.6b
🇺🇸 Lockheed Martin: $111.4b
🇩🇪 Rheinmetall: $89.5b
🇺🇸 General Dynamics: $75.5b
🇬🇧 BAE Systems: $70.5b
🇺🇸 Northrop Grumman: $68.5b
🇫🇷 Thales: $58.9b
🇺🇸 L3Harris Technologies: $43.1b
🇮🇳 Hindustan Aeronautics: $37.9b
🇮🇹 Leonardo: $33.1b
🇮🇳 Bharat Electronics: $31b
🇳🇴 Kongsberg Gruppen: $28.8b
🇫🇷 Dassault Aviation: $27.1b
🇸🇪 SAAB AB: $25.2b
🇮🇱 Elbit Systems: $18.1b
🇹🇷 Aselsan: $15.5b
🇺🇸 Leonardo DRS: $11b
🇩🇪 Hensoldt: $10b
🇺🇸 Huntington Ingalls Industries: $8.9b
🇺🇸 AeroVironment: $7.7b
🇮🇳 Bharat Dynamics: $7.7b
🇪🇸 Indra Sistemas: $6.5b
🇰🇷 LIG Nex1: $6.3b
🇩🇪 H&K AG: $6.1b
🇰🇷 Hanwha Systems: $6b
🇺🇸 Kratos Defense &Security Solutions: $5.4b
🇬🇧 QinetiQ: $3.1b
🇺🇸 Mercury Systems: $2.8b
🇺🇸 VSE Corporation: $2.7b
🇮🇱 NextVision Stabilized Systems: $2.2b
🇺🇸 V2X: $1.5b
🇸🇪 MilDef Group: $1.1b
🇦🇺 DroneShield: $684m
🇬🇧 Avon Protection: $621m
🇺🇸 Red Cat Holdings: $616m
🇺🇸 Sturm, Ruger & Co: $604m
🇮🇱 TAT Technologies: $360m
🇵🇱 Lubawa: $344m
🇺🇸 AMMO: $214m
🇮🇹 Civitanavi Systems: $203m
🇫🇷 NSE SA: $143m
🇦🇺 VEEM Ltd: $82m
📌 Based on May 20, 2025 market capitalization.