2026 Top 100
1: LEIDOS
| Top 100 Revenue: | $11,838,275,000 | |
| Defense Revenue: | $4,527,951,000 | |
| Civilian Revenue: | $7,310,324 | |
| 2025 Revenue: | $17.2 billion (year ended 1/1/26 | |
| 2025 Earnings: | $1.5B | |
| 2024 Revenue: | $16.7 billion | |
| 2024 Earnings: | $1.3 billion | |
| Number of employees: | 50,000 | |
| Headquarters: | Reston, Virginia | |
| Website: | http://www.leidos.com/ | |
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| Ticker: | LDOS | |
| Lines of business: | Airports and air traffic; defense; energy and infrastructure; federal government; health; homeland; intelligence; maritime; space | |
| Major customers: | U.S. Army, Navy and Air Force, U.S. Space Force, DHS, Defense Information Systems Agency, FAA, Transportation Security Administration, CBP, Defense Health Agency, VA, Department of Health and Human Services, National Science Foundation, DoE, the Environmental Protection Agency and research agencies such as Defense Advanced Research Projects Agency and the Intelligence Advanced Research Projects Agency. | |
| Major contracts/projects: | ATSP5, Army ITES-3S, Army Modernization Program, RS3, CHS-6, Defense Enclave Services; DISA SETI; DTIC IAC MAC, GSA Alliant 2 and 3; GSA Astro, OASIS+, NIH CIO-SP3, Seaport-NxG, GSA Schedule |
