Listed Indian Defence Companies and their Specialisation 1 - Hindustan Aeronautics - Military aircraft, helicopters, aerospace structures, and engines 2 - Bharat Electronics- Radars, communication systems, electronics warfare systems, weapon systems, and naval electronics 3 - Bharat Forge- artillery guns, ammunitions, tank components, armour plates, ballistic protection systems, aerospace components 4 - Solar Industries- Explosives, propellant, ammunition, and pyros 5 - Bharat Dynamics- Guided missiles, launchers, underground water weapons 6 - Mazagon Dock- Destroyer, frigates, submarines (conventional and nuclear-powered), merchant ships 7 - Cochin Shipyard- Aircraft carrier platforms, anti-submarine warfare, FPV, offshore rigs, tankers, cargo ships 8 - Data Pattern- defense communication products, EWS, avionics, command and control systems 9 - BEML Ltd- Tank transporter for defense applications 10 - GRSE- Frigates, corvettes, fast patrol vessels 11 - Zen Tech -defense electronics or electro-mechanical systems based on area of expertise 23 - Midhani- Titanium, and special steel for aerospace, defence 24 - Astra Microwave- microwave components, waveguides, micro-wave sub-systems 25 - MTAR Tech - metal components or precision engineering 26 - DCX Systems- defence communication 27 - Apollo Micro System - embedded computing systems, tactical communication products 28 - Ideaforge Tech-  UAVs 29 - Paras Defence- Defence electronics, communication equipment, and optoelectronics systems 30 - Rossell India- night vision devices, thermal imagers, and optronics 31 - Taneja Aerospace- aerospace components and assemblies 32 - Krishna Defence- body armor, ballistic helmets, and other personal protective equipment