NGG vs NOC Comparison

National Grid owns and operates the electric transmission system in England and Wales. It sold the bulk of its UK gas transmission business in fiscal 2023 to fund the acquisition of PPL's UK power distribution assets. In the Northeastern United States, it serves electricity and gas customers combined in three states. It also owns regulated transmission and electricity generation in the United States, metering services, merchant transmission lines in the UK, and the Grain (UK) liquefied natural gas facility.

Northrop Grumman is a diversified defense contractor providing aeronautics, defense, and space systems. The company's aerospace segment creates the fuselage for the massive F-35 program and produces autonomous and piloted aircraft such as Global Hawk drones and the new B-21 bomber. Defense systems makes artillery and missile ammunition and guidance systems, missile defense systems, and maintains and upgrades numerous military aircraft. Mission systems creates and integrates a variety of radar, navigation, and communication systems for avionics, weapons control, and countermeasures on a range of platforms from helicopters to destroyers. Space systems produces satellites, sensors, space structures, and manufactures long-range missiles and rocket motors.