Leidos Holdings, Inc.
Leidos Holdings, Inc. is an American defense, aviation, information technology, and biomedical research company headquartered in Reston, Virginia, that provides scientific, engineering, systems integration, and technical services. Founded as Science Applications International Corporation (SAIC), Leidos merged with Lockheed Martin's IT sector, Information Systems & Global Solutions (Lockheed Martin IS&GS), in August 2016 to create the defense industry’s largest IT services provider. The Leidos-Lockheed Martin merger is one of the biggest transactions thus far in the consolidation of the defense sector. Leidos contracts extensively with the Department of Defense, the Department of Homeland Security, and the Intelligence Community, as well as other U.S. government agencies and select commercial markets.
Basic company information
Each field links to its source. Financial figures retain their reporting periods; background references are identified in the source list.
- Business sectors
- defense contractor; aerospace engineering [1]
- Company / filing name
- Leidos Holdings, Inc. [2]
- Headquarters location
- Reston [1]
- Founded
- 1969 [1]
- Legal form
- Delaware corporation [1]
- Founders
- John Robert Beyster [1]
- Official website
- www.leidos.com ↗ [1]
- Annual revenue
- USD 5,330,000,000 · reported year 2019 [1]
- ISIN (reported securities)
- US5253271028 [1]
- CIK
- 1336920 [2]
- Country in background record
- United States [1]
- Symbols / exchanges
- LDOS (NYSE) [2]
Company positioning and business
Leidos Holdings, Inc. is an American defense, aviation, information technology, and biomedical research company headquartered in Reston, Virginia, that provides scientific, engineering, systems integration, and technical services. Founded as Science Applications International Corporation (SAIC), Leidos merged with Lockheed Martin's IT sector, Information Systems & Global Solutions (Lockheed Martin IS&GS), in August 2016 to create the defense industry’s largest IT services provider. The Leidos-Lockheed Martin merger is one of the biggest transactions thus far in the consolidation of the defense sector. Leidos contracts extensively with the Department of Defense, the Department of Homeland Security, and the Intelligence Community, as well as other U.S. government agencies and select commercial markets. [3]
Background text: Wikipedia contributors, Leidos. Selected introductory paragraphs, licensed under CC BY-SA 4.0. Official filing data is cited separately.
Understanding company scale
Annual revenue: USD 5,330,000,000 · reported year 2019. [1]
Financial year, securities and disclosures
Listed securities: LDOS (NYSE). Multiple symbols may represent different share classes or securities of the same registrant. [2]
History and key events
Founding / inception date recorded in Wikidata. [1]
Financial results and regulatory disclosures
No individual financial documents have been indexed yet. Open the source to consult company disclosures. [2]
Related entities and concepts
Frequently asked questions
When was Leidos Holdings, Inc. founded?
Founded: 1969. The linked source provides the background record. [1]
Where is the headquarters of Leidos Holdings, Inc.?
Headquarters location: Reston. The linked source provides the background record. [1]
Which business sectors are recorded for Leidos Holdings, Inc.?
Business sectors: defense contractor; aerospace engineering. The linked source provides the background record. [1]
Sources and review dates
- Wikidata — company background record (CC0) ↗
- Company identity and profile data ↗
- Wikipedia contributors — Leidos (CC BY-SA 4.0) ↗
Reviewed 23 October 2026. Financial periods and historical event dates are shown separately. Figures reflect their stated source dates; this page is not a live quote or investment recommendation.