Security consulting firms

American private military company

American research organization

DynCorp International Inc. (), was an American private military contractor. Starting as an aviation company, the company also provided flight operations support, training and mentoring, international development, intelligence training and support, contingency operations, security, and operations and maintenance of land vehicles. DynCorp received more than 96% of its more than $3 billion in annual revenue from the U.S. federal government. The corporate headquarters were in an unincorporated part of Fairfax County near Falls Church, Virginia, while the company's contracts were managed from its o

Turkey-based private security contractor

American security contractor

British private military company

German private military company