1968 Co-founded by George J. Pedersen and Franc Wertheimer in New Jersey beginning with a single U.S. Navy contract and 16 employees
1968-2002 Consistent revenue growth over the years with 25 acquisitions
1976 Moved headquarters to Washington, DC
1981 Entered intelligence business
1987 Entered federal civilian market with NASA contract and environmental business Received NASA's prestigious George M. Low award for Contractor of the Year supporting Hubble Space Telescope
1993 Entered international utility simulation business Entered computer system and electronic systems business
1998 Employee Assistance Fund established
2000 ManTech workforce reaches 4,600 employees
2001 Becomes founding member of CIA Memorial Foundation after 9/11 First contractor on the scene after 9/11 tied to EPA contract
2002 Initial public offering Kevin Phillips joins ManTech through CTX Corporation acquisition
2002-2007 Expanded business in the Intelligence market
2003 Entered Cybersecurity Market
2004 First contractor on the battlefield for Operation Iraqi Freedom supporting warfighters ManTech receives NASA Goddard Space Flight Center Contractor Excellence Award
2004-2008 Expanded footprint in defense
2005 George J. Pedersen recognized with NDIA Forrestal Award for industry leadership
2007 Entered Marine Corps intel business and started work on Army Vehicle Route Clearance contract
2008 Began support of Fisher House program to benefit military families Positioned in systems engineering for the intelligence community and Department of Homeland Security
2010 Entered DoD cyber range, rapid protyping and development, C4ISR services and solutions
2011 George J. Pedersen named member of Federal 100 and awarded prestigious Eagle Award for Outstanding Service to the industry
2012 Made mark in space supporting the Webb Telescope and Mars Rover
2012-2014 Entered health IT market through acquisitions
2015 Expanded federal civilian presence through acquisitions ManTech moves the Defense Intelligence Agency's software applications to cloud services
2016 ManTech named among Learning Elite for employee training and development Expanded cybersecurity capabilities and presence through multiple acquisitions
2017 Awarded U.S. State Department Personnel Security contract for physical and personnel security Awarded NASA Jet Propulsion Laboratory Contract for managed services Voted No. 1 Veteran Employer by Monster.com; 47% of workforce are veterans CIA Officers Memorial Foundation honors George J. Pedersen with prestigious Patriots Award
2018 Thomson Reuters names ManTech one of the Top 100 Global Tech Leaders ManTech workforce reaches 8000 employees
2020 New Innovation and Capabilities Office Skillsoft "Program of Year" Award CLO's "LearningElite Gold" Award
2021 Gryphon - Our Largest-Ever Acquisition Partnership with Google Cloud #1 Company for Vets - Monster.com
2022 5G Laboratory Opened Fernglas Multi-Cloud Platform Carlyle Group Acquires ManTech
2023 Acquires Definitive Logic to strengthen Trusted Advisor role
2024 Launches Global AI and Global Cyber practices