LOCKHEED MARTIN CORPORATION is USA Based Aerospace, Defense and Information Technology Company. Works in space of Aerospace, Defense, Maritime, Missile, Weapons Equipment. As on 2022, company has about 114,000 employees. The headquarters is in USA.

It is a global security, innovation, and aerospace company, the majority of Lockheed Martin's business is with the U.S. Department of Defense and U.S. federal government agencies. In addition, Sikorsky (a Lockheed Martin Company) provides military and rotary-wing aircraft to all five branches of the U.S. armed forces along with military services and commercial operators in 40 nations. 

LOCKHEED MARTIN CORPORATION annual revenue generated for period ending Dec-2021 was 67,044 million USD.

Split of Annual Revenue by business segment  for period ending Oct-2021:

Boeing is the World's largest aerospace company and leading manufacturer of commercial jetliners, commercial aircrafts, defense, space and security systems, and service provider of aftermarket support. As America’s biggest manufacturing exporter, the company supports airlines and U.S. and allied government customers in more than 150 countries. Boeing products and tailored services include commercial and military aircraft, satellites, weapons, electronic and defense systems, launch systems, advanced information and communication systems, and performance-based logistics and training.

They occupied approximately 86 million square feet of floor space on December 31, 2019 for manufacturing, warehousing, engineering, administration and other productive uses, of which approximately 93% was located in the United States. Out of 86 million square feet, 67.68 million square feet is owned and rest is leased.

NORTHROP GRUMMAN CORPORATION is Aerospace and Defense based Technology company with headquarters in Virginia, USA. Northrop Grumman is a leading global security company providing innovative systems, products and solutions in autonomous systems, cyber, C4ISR, space, strike, and logistics and modernization to customers worldwide. They have approximately 97,000 employees in all 50 states and in more than 25 countries as on December 2020.

They work on aeronautics systems, defense systems, space systems, mission systems.

Aeronautics Systems segment generated Annual Revenue in 2020 is 12,169 Million USD.

Defense Systems segment generated Annual Revenue in 2020 is 7,543 Million USD.

Mission Systems segment generated Annual Revenue in 2020 is 10,080 Million USD.

Space Systems segment generated Annual Revenue in 2020 is 8,744 Million USD.

Aselsan Elektronik Sanayi Ve Ticaret AS is a Defense Electronics and Arms Manufacturers company. It portfolio comprises communication and information technologies, radar and electronic warfare, electro optics, avionics, unmanned systems, land, naval and weapon systems, air defense and missile systems, command and control systems, transportation, security, traffic, automation and medical systems. The headquarters is in Turkey.

AeroVironment develop Aircraft systems, satellite systems and missile systems. The headquarters is in USA.

Bharat Dynamics manufactures missiles and defense equipment. Headquarters is in India.

Kratos Defense & Security Solutions is develops and fields transformative, affordable technology, platforms and systems for United States National Security related customers, allies and commercial enterprises company. The company is specializes in unmanned systems, satellite communications, cybersecurity or warfare, microwave electronics, missile defense, hypersonic systems, training and combat systems. The headquarters is in USA.