Booz Allen Hamilton is a leading contractor for US Government defense and intelligence departments, assisting in the fields of cyber security and intelligence operations. The firm, which acts as prime contractor in nearly every instance, generates billions in sales each year from the delivery of highly technical skills to the Department of Defense, the National Security Agency, the IRS, and nearly every cabinet-level US Government department. It increasingly works with foreign governments and commercial clients as well. Investment firm The Carlyle Group owns a majority interest in the consulting firm, which was founded in 1914.