ManTech International Corporation provides information technology and technical services for mission-critical national security programs for the intelligence community, the Departments of Defense, State, Homeland Security, and Justice, the space community, and other U.S. federal government customers. ManTech’s expertise includes systems engineering, systems integration, technology and software development, enterprise security architecture, information assurance, intelligence operations support, network and critical infrastructure protection, communications integration, and engineering support. ManTech has over 6,000 employees and has operations in over 44 countries worldwide.