Leidos
United StatesFounded 1969Industry
Leidos provides defence technology and biodefence and security screening products. CBRNE-relevant work is a notable product line according to its website.
What it does
Threats covered
Profile
Leidos was founded in 1969 as Science Applications Inc., later SAIC, by a physicist. In September 2013 SAIC split into two companies: the original business became Leidos, and the spun-off services business kept the SAIC name.
More profile
The company is listed on the New York Stock Exchange under LDOS. It provides CBRN, explosives detection and security screening capabilities, including computed tomography baggage systems and explosive trace detectors, and it appears on the Department of Homeland Security's list of SAFETY Act approved technologies.
Its contract HDTRA114D0008 with the US Defense Threat Reduction Agency, awarded in December 2013 and completed in December 2023, covered counter-weapons-of-mass-destruction research on nonproliferation, counterproliferation and consequence management. Its headquarters city was not read.
Ownership
Publicly listed on the NYSE (LDOS); became a separate company in the September 2013 split of SAIC
Parent: none (publicly listed) (checked)
Sources (5)
- https://www.leidos.com/50th-anniversary-2013-saic-split
- https://www.sec.gov/Archives/edgar/data/353394/000119312513362164/d595478dex991.htm
- https://www.sec.gov/Archives/edgar/data/1336920/000133692025000006/ldos-20250103.htm
- https://www.safetyact.gov/at/?search=Leidos%2C+Inc.&view=
- https://www.highergov.com/idv/HDTRA114D0008/
Not verified or not found
- Headquarters city: not read in these sources.
- Current CBRN contracts and values: not read.
- Neutron detection and handheld products: not confirmed in the sources read.
Questions
What does Leidos do?
Leidos provides defence technology and biodefence and security screening products. CBRNE-relevant work is a notable product line according to its website.
Where is Leidos based?
HQ country: US.
Who owns Leidos?
Publicly listed on the NYSE (LDOS); became a separate company in the September 2013 split of SAIC. Parent: none (publicly listed) (checked)
Profiles are compiled from public sources and sampled-checked, not fully audited. Last verified 17 October 2026. Report a correction