Booz Allen Hamilton Holding Corporation is a management consulting company. The Company provides management consulting, technology and engineering services to the United States Government in the defense, intelligence and civil markets. It also provides management and technology consulting services to major corporations, institutions, not-for-profit organizations and international clients. Its client base includes the cabinet-level departments of the United States Government, clients in selected commercial markets and international clients. Major government clients include the Department of Defense, all branches of the United States military, the United States Intelligence Community and civil agencies such as the Department of Homeland Security, the Department of Health and Human Services and the Department of the Treasury. In the commercial sector, the Company serves the United States clients primarily in the financial services, healthcare, energy, retail and automotive markets.