The key players of the global manned security services market are Allied Universal (US)
Andrews International Inc. (US)
Axis Group (UK)
China Security & Protection Co. Ltd (China)
G4S plc (UK)
ICTS Europe S.A. (France)
OCS Group Limited (West Sussex)
Securitas AB (Sweden)
Sandvik AG (Sweden)
SIS International S.R.L. (Italy)
Transguard Group (UAE)
U.S. Security Associates Inc. (Georgia)
and others.