нашёл вот такой список Private Security Companies
если повтор - сори. если нет , то вам будет интересно

3D Global Solutions
Alpha Point Security
AQMI Strategy Corporation
Blackwater USA (Now XE)
Braddock Dunn & McDonald
CACI International, Inc.
Berodt Dynamics
Defion Internacional
DynCorp
Eastern Cross
Elite Security Corps
Kellogg, Brown and Root (KBR)
Military Professional Resources Inc.
Northbridge Services Group
Overwatch Protection Solutions International
Paratus World Wide Protection
Ronin Worldwide Executive Protection, LLC
SCG International Risk
SkyLink USA
SOS Temps, Inc: Founded by former Navy Seal Richard Marcinko
Spartan Consulting Group
Titan Corporation
Top Cat Marine Security
Triple Canopy, Inc.
Vinnell Corporation
VIP Investigations & Protective Services

Adson Holdings
Aegis Defence Services
AKE Group
Armor Group
Corporate Warriors
Erinys International
Gurkha Security Guards
Hart Security Limited
Hostile Control Tactics
Plaza 107
Securiforce
Corporate Warriors
Erinys International
Gurkha Security Guards
Hart Security Limited
Hostile Control Tactics
Plaza 107
Securiforce
Black Oak Security (Poland)
Levdan (Israel)
Meteoric Tactical Solutions (South Africa)
Olive Group
Omega Group (Norway)
Omega Security Solutions (South Africa)
Strategic Resources Corporation (South Africa)