ManTech International Corporation (ManTech) is a provider of technologies and solutions for mission-critical national security programs for the intelligence community; Departments of Defense (DOD), State, Homeland Security, Energy and Justice, including the Federal Bureau of Investigations (FBI); the space community, and other United States federal government customers. The Company supports critical national security programs for approximately 60 federal agencies through approximately 1,000 current contracts. ManTech supports national missions, such as military readiness, terrorist threat detection, information security and border protection. On January 6, 2012, the Company acquired Evolvent Technologies, Inc. (Evolvent). In January 2013, the Company acquired ALTA Systems, Inc.