Raytheon Technologies

Lockheed Martin is the world's largest defense contractor and has dominated the Western market for high-end fighter aircraft since it won the F-35 Joint Strike Fighter program in 2001. Aeronautics is Lockheed's largest segment, which derives upward of two-thirds of its revenue from the F-35. Lockheed's remaining segments are rotary and mission systems, mainly encompassing the Sikorsky helicopter business; missiles and fire control, which creates missiles and missile defense systems; and space systems, which produces satellites and receives equity income from the United Launch Alliance joint venture.

Collins Aerospace is a leading company in the aerospace and defense sectors, operating under RTX (formerly Raytheon Technologies). The company focuses on redefining aerospace through innovation and delivering solutions to customers around the world. Collins Aerospace provides a wide range of services and products across various sectors, including commercial aviation, business aviation, military and defense, helicopters, space technologies, airport infrastructure, and air traffic control systems. The company fosters a growth-oriented culture, offering professional development opportunities and global collaboration for its employees. The Collins Fellows Program recognizes technical excellence and leadership among its experts, enhancing the company's commitment to innovation and mentorship.

BAE Systems is a British global defense, security, and aerospace company and the largest defense contractor in Europe; it is one of six prime contractors to the US Department of Defense. For reporting purposes, the company has five operating segments: electronics systems is the group's US- and UK-based electronic warfare systems; the cyber, security, and intelligence segment supplies intelligence and security solutions to the US government; platforms and services manufactures combat vehicles and munitions and performs ship repair services to the US Defense Department; the air segment includes BAE's share of US and European air programs as well as its businesses in Saudimore