2026 Top 100
23: MANTECH INTERNATIONAL
| Top 100 Revenue: | $1,795,550,000 |
| Defense Revenue: | $1,393,963,000 |
| Civilian Revenue: | $401,587,000 |
| 2025 Revenue: | N/A |
| 2025 Earnings: | N/A |
| 2024 Revenue: | |
| 2024 Earnings: | N/A |
| Number of employees: | 9,800 |
| Headquarters: | Herndon, Virginia |
| Website: | https://www.mantech.com/ |
| Leadership: | Matt Tait, CEO and president; Michael Ruppert, CFO; Jeffrey Brown, general counsel; Bonnie Cook, chief performance officer; Barbara Haines-Parmele, president, intelligence and homeland security sector; David Hathaway, president, defense and space sector; Sarah Carter, chief growth officer; Julie Anna Barker, CHRO; Daniel Payne, chief security officer; Brian McHugh, chief of staff and SVP, external affairs; Sheila Blackwell, chief marketing officer; Claire Grady, SVP, strategy |
| Ticker: | Privately held |
| Lines of business: | Cyberspace superiority, data and AI, digital, intelligent engineering, defense and space, intelligence and homeland security |
| Major customers: | GSA, Navy, Air Force, USCBP, Defense Health Agency, DOD, DHS, State, Commerce |
| Major contracts/projects: | https://www.mantech.com/contracts/ |
