ManTech International
| Company type | Private | 
|---|---|
| Nasdaq: MANT (2002–2022) | |
| Industry | National security, Defense, Professional services | 
| Founded | 1968 in Livingston, New Jersey, U.S. | 
| Founders | 
 | 
| Headquarters | Herndon, Virginia, U.S. | 
| Area served | Worldwide | 
| Key people | |
| Revenue | US$2.55 billion (2021) | 
| US$187 million (2021) | |
| US$137 million (2021) | |
| Total assets | US$2.64 billion (2021) | 
| Total equity | US$1.68 billion (2021) | 
| Owner | The Carlyle Group | 
| Number of employees | c. 9,800 (December 2021) | 
| Subsidiaries | HBGary | 
| Website | ManTech.com | 
| Footnotes / references | |
ManTech International Corporation is an American defense contracting firm based in Herndon, Virginia. It was co-founded in 1968 by Franc Wertheimer and George J. Pedersen. The company uses technology to help government and industry clients. The company name "ManTech" is a portmanteau formed through the combination of "management" and "technology."