ManTech International
ManTech International is a U.S. defense and national-security technology contractor serving government and intelligence customers.
Last updated August 26, 2026
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Overview
ManTech International is an American defense and national-security services company headquartered in Herndon, Virginia. Founded in New Jersey in 1968 by Franc Wertheimer and George J. Pedersen, the company took its name from a combination of “management” and “technology.” Its business has centered on applying engineering, information technology, cybersecurity, intelligence, and management expertise to complex government missions rather than selling consumer products under a conventional retail brand. The company serves a broad range of U.S. government customers, including elements of the Intelligence Community and the Departments of Defense, State, Homeland Security, Energy, Justice, Veterans Affairs, Health and Human Services, and the space community. Its capabilities cover cybersecurity, software and systems development, enterprise information technology, intelligence and counterintelligence, command-and-control and intelligence systems, surveillance and reconnaissance, mission assurance, systems engineering, logistics, supply-chain management, test and evaluation, training, and management consulting. ManTech’s operating model is based largely on government contracts and contract vehicles, including indefinite-delivery/indefinite-quantity arrangements, fixed-price work, cost-reimbursement agreements, labor-hour contracts, and time-and-materials engagements. The company has supported operational communications, military sustainment, border-security technology, federal network defense, intelligence systems, space-program security, and enterprise IT modernization. Its work has included support connected with Operation Iraqi Freedom and programs requiring the protection and operation of sensitive government information systems. During the 2010s, ManTech expanded through acquisitions in cybersecurity, federal health IT, systems engineering, software development, logistics, and intelligence support. Purchases and asset acquisitions included SRS Technologies, HBGary, ALTA Systems, Allied Technology Group, 7Delta, Welkin Associates, Knowledge Consulting Group, the cyber business of Oceans Edge, Edaptive Systems, InfoZen, Kforce Government Solutions, and Gryphon Technologies. These transactions broadened the company’s access to federal customers and strengthened its ability to combine specialized technical capabilities into larger mission-support offerings. ManTech completed an initial public offering in February 2002 and operated as a publicly traded federal contractor for roughly two decades. In May 2022, it announced an agreement to be acquired by the private-equity firm The Carlyle Group. The transaction, reported at approximately $3.9 billion, represented a major ownership transition from public company to privately held defense contractor. After the acquisition, ManTech remained focused on government and national-security technology services, with its corporate identity tied to secure mission support, digital modernization, cyber defense, and specialized engineering. The company has maintained offices across numerous U.S. states and personnel in more than 20 countries. Reference material describes a workforce of more than 7,000 people and support for over 50 government agencies and commercial customers across more than 1,000 contracts. These scale indicators and the company’s customer mix place ManTech among the established U.S. government technology and defense-services providers, with a positioning centered on trusted access, technical depth, security clearances, and long-term program execution.
History
ManTech International began in New Jersey in 1968, when Franc Wertheimer and George J. Pedersen co-founded a company designed to combine management expertise with technology services. The name MANTECH reflected that purpose. From its early years, the firm developed around government and mission-oriented technical work, eventually becoming a contractor serving defense, intelligence, civilian, and space agencies. The company’s growth was driven by the increasing importance of information systems, secure communications, engineering, and specialized technical support in federal programs. Rather than concentrating on a single hardware platform, ManTech built a portfolio of services spanning cybersecurity, software development, systems integration, enterprise IT, intelligence support, C4ISR, logistics, training, testing, and program management. It also supported telecommunications and operational communications associated with U.S. military activity, including work connected with Operation Iraqi Freedom. ManTech became a public company through an initial public offering in February 2002. As a public federal contractor, it expanded both organically and through acquisitions. Its acquisition of SRS Technologies in 2007 strengthened advanced technology systems engineering and C4ISR capabilities. In 2012, it purchased selected assets of HBGary, an information-security company; the structure was described as an asset purchase rather than an acquisition of the target’s broader liabilities. Subsequent acquisitions added federal IT, healthcare systems, homeland-security engineering, cybersecurity consulting, software development, and systems-integration expertise. The 2013–2017 acquisition period broadened ManTech’s reach across civilian and defense agencies. ALTA Systems added IT and professional services with healthcare and capital-planning applications. Allied Technology Group brought engineering and information-management work associated with the Department of Homeland Security. 7Delta contributed application development, program management, information assurance, and security architecture capabilities serving the Department of Veterans Affairs. Welkin Associates added specialized engineering resources, while Knowledge Consulting Group and the cyber business of Oceans Edge increased the company’s cyber expertise. Edaptive Systems expanded federal health IT, particularly around Centers for Medicare and Medicaid Services work, and InfoZen added IT services. In 2019, ManTech completed the purchase of Kforce Government Solutions, extending its federal technology-services platform. In 2021, the company announced an agreement to acquire Gryphon Technologies. Gryphon’s systems-engineering, cyber, strategic-communications, readiness, and sustainment capabilities complemented ManTech’s existing defense portfolio and reflected the continuing consolidation of the government-services sector. ManTech’s contract portfolio during the 2010s included work for the Air Force, Army, Navy, Marine Corps, intelligence agencies, NASA-related programs, the Department of Homeland Security, the Department of State, the FBI, the Defense Intelligence Agency, and other federal organizations. Awards covered federal network defense, border-security systems, intelligence IT, vehicle sustainment, space-program security, software engineering, counterintelligence, and enterprise infrastructure. Many were multi-year contracts or task orders with substantial potential ceilings, although contract ceilings do not necessarily represent realized revenue. In May 2022, ManTech announced that it had agreed to be acquired by The Carlyle Group. The transaction was reported at approximately $3.9 billion and ended ManTech’s period as a publicly traded company. Under private ownership, the brand continued as a provider of secure technology, engineering, cyber, intelligence, and mission-support services to government customers. Its historical identity remains that of a specialist federal contractor whose competitive proposition rests on technical expertise, security credentials, contract access, and the ability to operate in sensitive national-security environments.
- 2022
Acquisition by The Carlyle Group
[1]ManTech agreed to be acquired by The Carlyle Group in a transaction reported at approximately $3.9 billion.
- 2021
Gryphon Technologies agreement
[1]ManTech announced an agreement to acquire Gryphon Technologies for approximately $350 million.
- 2017
Expansion through InfoZen acquisition
[1]ManTech completed its acquisition of InfoZen, an IT-services company.
- 2012
HBGary asset purchase
[1]ManTech announced the purchase of HBGary assets to add information-security capabilities.
- 2007
SRS Technologies acquisition
[1]The acquisition expanded advanced systems engineering and C4ISR capabilities.
- 2002
Initial public offering
[1]ManTech became publicly traded through an initial public offering in February.
- 1968
ManTech is founded
[1]Franc Wertheimer and George J. Pedersen co-founded ManTech in New Jersey. The name combines the ideas of management and technology.
Products and positioning
A trusted U.S. government technology and defense-services partner focused on cybersecurity, intelligence, engineering, IT modernization, and mission assurance for national-security and civilian-agency customers.
Cybersecurity services
Cybersecurity and cyber operations
ManTech provides cyber defense, cyber network operations, security architecture, continuous monitoring, threat response, and related advisory services. These capabilities support federal enterprise networks, intelligence systems, mission programs, and infrastructure requiring protection against cyber threats.
Federal IT services
Enterprise information technology
The company supports the design, modernization, operation, and sustainment of enterprise IT environments. Work can include cloud solutions, infrastructure management, software maintenance, service integration, data systems, and technical support for defense, intelligence, homeland-security, and civilian agencies.
Engineering services
Systems engineering and software development
ManTech’s engineering portfolio includes software development, systems integration, technical assessment, architecture, modernization, field support, and lifecycle sustainment. These services are applied to intelligence, communications, logistics, command systems, and other complex government programs.
National-security services
Intelligence, counterintelligence, and C4ISR support
The company supports intelligence and counterintelligence missions, including command, control, communications, computers, intelligence, surveillance, and reconnaissance. Its work combines technical personnel, mission analysis, information systems, and operational support for defense and intelligence customers.
Defense support services
Mission assurance, logistics, and sustainment
ManTech provides program protection, security services, readiness support, vehicle engineering and maintenance, logistics, supply-chain assistance, test and evaluation, and training. These offerings help agencies maintain operational availability and protect critical programs.
Brand decisions
2022
Agreement to be acquired by The Carlyle GroupM&ABackground
After two decades as a public federal contractor, ManTech entered an agreement to be acquired by private-equity firm The Carlyle Group.
Action taken
The parties announced a transaction reported at approximately $3.9 billion, with an offer described as $96 per share and representing a premium to the company’s earlier closing price.
Aftermath
The transaction changed ManTech from a publicly traded company into a privately owned defense and national-security contractor.
Reported transaction value. Approximately $3.9 billion (2022 announcement)
2021
Agreement to acquire Gryphon TechnologiesM&ABackground
ManTech sought to expand its defense engineering and mission-support capabilities through the purchase of Gryphon Technologies.
Action taken
The company announced a definitive agreement valued at approximately $350 million.
Aftermath
The proposed combination was intended to strengthen model-based systems engineering, cybersecurity, strategic communications, readiness, and sustainment.
Announced acquisition value. $350 million (2021 announcement)
2019
Acquisition of Kforce Government SolutionsM&ABackground
ManTech continued consolidating federal technology and professional-services capabilities.
Action taken
The company completed the acquisition of Kforce Government Solutions.
Aftermath
The transaction expanded ManTech’s federal services platform.
Acquisition price. $115 million (2019 completion)
Recent events
- Unconfirmed
ManTech sponsors WestGate event center[2]
Reported:
ManTech sponsored the ManTech Conference Center at WestGate Academy; the sponsorship was displayed as visitors entered the event center. Financial details were not disclosed.
Sources2 sources
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