Booz Allen Hamilton Holding Corporation, including its wholly owned subsidiaries, is a holding company. The Company provides management consulting, technology, and engineering services to the United States Government in the defense, intelligence, and civil markets. The Company also provides management and technology consulting services to corporations, institutions, not-for-profit organizations, and international clients. Defense Clients serves the United States military and defense agencies. Intelligence Clients provides services to the Government agencies and organizations. Civil Clients Support civil government agencies of the United States Government and the United States funded international development. Commercial Clients serves industries, such as financial services, healthcare, and energy. International Clients provides services, including data analytics, cyber defense diagnostics, mission assurance and risk management.