Raytheon is a company that offers services to defense, security, and civil markets. It provides electronics, mission systems integration, and other solutions in markets, such as integrated air and missile defense, electronic warfare, command, control, communications, computers, cyber, intelligence, surveillance and reconnaissance, and space systems. The company serves domestic and international customers primarily as a prime contractor or subcontractor on a broad portfolio of defense and related programs for government customers. Raytheon merged with United Technologies to form Raytheon Technologies.