2023 Top 100

Top 100 Revenue: $1,314,519,000
Defense Revenue: $683,878,000
Civilian Revenue: $630,641,000
2022 Revenue: Privately held
2022 Earnings: N/A
2021 Revenue: $2.6 billion
2021 Earnings: $137 million
Number of employees: 9,800
Headquarters: Herndon, Virginia
Website: https://www.mantech.com/

Matt Tait, CEO and president
 Michael Ruppert, CFO
 Bonnie Cook, chief performance officer
 Jeffrey Brown, general counsel
 David Hathaway, GM, defense
 Adam Rudo, GM, intelligence
 Stephen Deitz, GM, civilian
 Joe Cubba, chief growth officer
 Julie Anna Barker, CHRO
 Daniel Payne, chief security officer
 Brian McHugh, chief of staff
 Sheila Blackwell, VP, marketing and communications
 Claire Grady, SVP, strategy
 Mike Uster, CTO and CIO

Ticker: Privately held
Lines of business: Cyber, secure mission and enterprise IT, advanced data analytics, software systems development, intelligent systems engineering, intelligence mission support, mission operations
Major customers: GSA, Defense, DHS, State, Justice
Major contracts/projects: Astro, Alliant 2, CIO-SP2, OASIS, ITES-3, RS3, Encore III, Seaport NxG, Army R4, TS3 TACOM ERS, TTO, DARPA TASS, SETA III, DOJ BPA, SPARC, HHS PSC