List of private security companies From Wikipedia, the free encyclopedia This is a list of notable private security companies. Africa Angola Alfa 5 Teleservice Nigeria Halogen Group Nigeria South Africa Bidvest Protea Coin Fidelity ADT Oceania Australia Paladin Group (private military contractor) Wilson Security Asia India Security & Intelligence Services Pvt Ltd GMR RAXA Reliance Global Corporate Security Israel Mikud Japan Secom Europe Denmark ISS A/S Ireland Integrated Risk Management Services Spain Prosegur Sweden Securitas AB Switzerland ImmuniWeb Securitas AG United Kingdom Aegis Defense Services Control Risks Corps of Commissionaires G4S International Intelligence Limited Intelligent (UK Holdings) Limited Mitie Rubicon International Services Americas Canada GardaWorld Canadian Corps of Commissionaires United States ADT Security Services Allied Universal G4S Secure Solutions Inter-Con Security Monitronics Paragon Systems Pinkerton Vivint Blackwater American International Security Corp See also List of private military companies List of non-governmental paramilitary organizations List of state-owned security companies Computer security companies (category) References Related Articles~TimelinesTop QsFact Checks