• G4S security guards on patrol at a nuclear power...
    • G4S security guards on patrol at a nuclear power...
    • G4S customer protection officers securing a train...
    • G4S customer protection officers securing a train...
    • G4S customer protection officers securing a train...
    • G4S customer protection officer securing a train...
    • G4S customer protection officer securing a train...
    • G4S security at Cape Town port in South Africa
    • G4S security guards on patrol at a nuclear power...