United Technologies Corporation (UTC) was an American multinational conglomerate known for its diverse range of products and services. The company operated in various sectors, including aerospace, building systems, and industrial products. UTC was recognized for its innovations in technology, particularly in aircraft engines and elevator systems. In 2020, UTC merged with Raytheon Company to form Raytheon Technologies, a leading aerospace and defense company. This merger combined UTC's expertise in commercial aviation and building technologies with Raytheon's strengths in defense systems and missile technology, creating a powerful entity in the global market.