ABM Security Services
Advanced Protective Services, Inc.
AFI International Group Inc.
Akal Security, Inc.
Allied Security Holdings LLC
American Science and Engineering, Inc. [ASEI]
Andrews International, Inc.
Applied Visual Sciences, Inc. [APVS]
Ascent Capital Group, Inc. [ASCMA]
Asset Protection & Security Services, LP
AssetCo plc
ATI Systems International, Inc.

Building Security Services, Inc.

Checkpoint Systems, Inc. [CKP]
China Security & Surveillance Technology, Inc.
Command Security Corporation [MOC]
CompX International Inc. [CIX]
Contemporary Services Corporation
Continental Secret Service Bureau, Inc.
COSCO Fire Protection, Inc.

D&D Security/Training Academy Inc.
DECO, Inc.
Digital Barriers plc
Document Security Systems, Inc.
Dunbar Armored, Inc.
DynCorp International Inc.

Electronic Control Security, Inc. [EKCS]
Emergency Twenty Four, Inc.
EMSystems, LLC

Farsight Security Services Limited
Fire-Lite Alarms, Inc.
FreightWatch Group Limited

G4S Secure Solutions (USA) Inc.
Garda World Security Corporation
Gateway Group One

Henry Bros. Electronics, Inc.
Homeland Security Capital Corporation [HOMS]
Horne International, Inc. [HNIN]

ICTS International N.V. [ICTSF]
InkSure Technologies Inc. [INKS]

Kratos Defense & Security Solutions, Inc. [KTOS]

Landmark Protection, Inc.
Legion Group plc
LoJack Corporation [LOJN]
Loomis AB
LP Network, Inc.
Lydia Security Monitoring, Inc.

Magal Security Systems Ltd. [MAGS]
Monitronics International, Inc.
MVM, Inc.

Napco Security Technologies, Inc. [NSSC]
Norment Security Group , Inc.

Prosegur Compañía de Seguridad, S.A.
Protection One, Inc.

Rapid Response Monitoring Inc.
Reliance Security Group plc
Rochester Armored Car Company, Inc.

SECOM Co., Ltd.
Securitas AB
Securitas Security Services North America
Security Consultants Group, Inc.
Shield Security, Inc.
Sirchie Acquisition Company, LLC
Smart Approach Ltd.
Smart-tek Solutions Inc.
Suomen Helasto Oyj

The ADT Corporation [ADT]
The Brink's Company [BCO]
The Diamond Group
The GEO Group, Inc. [GEO]
Tri-S Security Corporation [TRIS]
Triple Canopy, Inc.
TriTeq Lock and Security LLC
Turvatiimi Corporation
Tyco International Ltd. [TYC]

Universal Security Instruments, Inc. [UUU]
Universal Services of America, Inc.
UTC Climate, Controls & Security

Walden Security, Inc.
Whelan Security Co.
WSA Group, Inc.

Xenonics Holdings, Inc. [XNNH]