L3Harris reports approximately $18–21B in annual revenue with about 48,000–50,000 employees and customers in more than 100 countries, indicating a large, diversified global defense and aerospace business.

The merger of L3 Technologies and Harris Corporation in 2019 created L3Harris as the sixth-largest U.S. defense contractor, significantly expanding its scale and portfolio across C3ISR, avionics, electronic systems, and communication solutions.

L3Harris markets integrated mission systems, ISR payloads, electronic warfare, mission avionics, and tactical communications as end-to-end mission-critical solutions across air, land, sea, space, and cyber domains.

Public employer profiles and careers materials describe L3Harris as having roughly 48,000 employees and actively recruiting across engineering, cyber, space, and mission systems roles, indicating ongoing large-scale hiring to support program demand.

L3Harris operates through segments including Integrated Mission Systems, Space and Airborne Systems, and Communication Systems, covering ISR, sensing, electronic attack, space payloads, mission avionics, and tactical radios for defense and government customers.

The company brands itself as a 'Trusted Disruptor' focused on rapidly delivering capability with agile, end-to-end solutions tailored to mission-critical defense and commercial needs.

Corporate materials highlight global corporate locations, including headquarters in Melbourne, Florida and international offices such as in Australia, reflecting an established multi-region operational footprint.