Lockheed Martin is the largest arms manufacturer in the world (SIPRI). Its businesses include Sikorsky helicopters.
Its website lists “featured capabilities” of: Aircraft; Directed Energy; Ground Vehicles; Logistic & Sustainment; Missiles & Guided Weapons; Missile Defense; Naval Systems; Radar Systems; Rotary Wing; Sensors & Situational Awareness; Tactical Communicationss; Training & Simulation; Transportation & Safety Management; Unmanned Systems. (company website)
Lockheed Martin’s aircraft include the widely-sold F-16 and the massive F-35 stealth combat aircraft programme. Its missile systems include the submarine-launched Trident missile, the main element in the strategic nuclear force of the USA and the UK.