Leidos Holdings, Inc.

Leidos Holdings provides technology services and solutions to government and commercial customers across defense, intelligence, health, civil infrastructure, and commercial security sectors. The company operates four primary business segments serving distinct market needs. The National Security & Digital segment delivers software, artificial intelligence and machine learning applications, cyber operations, and intelligence analysis services supporting military and defense operations. The Health & Civil segment operates air traffic control systems, health mission software, managed health services, and infrastructure management for government agencies. The Commercial & International segment develops power grid modernization solutions, airport and border security screening systems, and inspection technology for ports and customs operations. The Defense Systems segment manufactures air and missile defense systems, maritime and aerospace platforms, and space-based surveillance payloads including electro-optic infrared and signals intelligence systems.

Headquartered in Reston, Virginia, Leidos operates as a substantial federal contractor with approximately 47,000 full-time employees. The company maintains a significant international presence alongside its domestic government contracting operations, which form a substantial portion of its revenue base. The organization serves multiple customer categories including the Department of Defense, intelligence agencies, civilian government departments, and private commercial clients across energy, transportation, and security sectors.