Leidos Holdings, Inc. is a major player in the technical, technological, and scientific services industry, with a diverse business segment structure.

The company's net sales are primarily derived from three sectors. The Defense sector accounts for 56.6% of net sales and involves the design and integration of advanced technological solutions for intelligence, surveillance, reconnaissance, and cyber security. The Civil security segment contributes 23.7% of sales and focuses on solutions for the protection of goods and data, air traffic control, and environmental management. The Health segment represents 19.7% of net sales and emphasizes the integration of complex systems for managing medical data and electronic records, as well as research and development in biopharmaceuticals.

The majority of Leidos' revenue comes from government contracts, with the US Department of Defense and intelligence agencies contributing 49.4%, government agencies contributing 37.4%, and commercial customers contributing 13.2%. The United States accounts for 91.4% of the company's net sales, highlighting its reliance on domestic markets for growth and stability.