Private military contractors

Russian mercenary

thumb|In the 17th century, mercenaries were the backbone of European warfare, reaching their peak during the Thirty Years' War

Halliburton Company is an American multinational corporation and the world's second-largest oil service company, responsible for most of the world's fracking operations. The company, incorporated in the United States, has dual headquarters located in Houston and in Dubai.

American private military company

company providing armed security services

airline

American engineering, procurement, and construction company.

former private military company

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

Redut (), also known as Redoubt, Redut-Antiterror, Redut Security or Centre R, formerly known as "Shield", is a registered Russian Private Military Company (PMC) that is a part of the "Antiterror-family" — a group of PMCs that protect commercial operations of Russian companies. It is currently deployed by Russia in the Russian invasion of Ukraine. According to an RFE/RL investigation, concurrent "Redut" is controlled by the GRU and acts as a proxy umbrella organization for mercenaries, managing finances, recruitment and logistical supply of various formations.

company providing fighter aircraft for training purposes

Hong Kong military contractor

Turkey-based private security contractor

former private military company based in London

Russian Private Military and Security Company

private military company

American security contractor

military brand lifestyle group

Russian private military organisation

British private military company

private security company

agreement between signature countries obligations regarding private military and security companies in war zones

1989 United Nations treaty

political scandal

German private military company

Russian paramilitary unit of football ultras

term used in the context of migration and, in the U.S., regarding public-sector contracts