Cryptex Security (UK) LLP

Paragon Fire and Security

Connelly Group Holdings Ltd

DJ Security Solutions Ltd

Protec Fire Detection Plc

NACD Ltd

Jensen Security and Fire System Ltd

MAC Security Systems Ltd

Bickley Fire & Security Specialists Ltd

Gardsec.

Triple Star Fire and Security Ltd

RGL Security Ltd

South Central Fire Ltd

Prime Fire & Security

Visual Electronic Services Ltd

Southern Fire Alarms

Astro Fire Systems

Skills for Security

Cress Security Company Limited

Securex Security

Skills for Security

ACL

Lovelady Fire and Security

Argus Fire & Security

JTL Fire and Security

Protec Fire Detection Plc

Lofthouse Security Systems

Secureshield

Alerta Systems

Guide Security Services Ltd

Alder Security

Amber Security Systems

Penton Services Group

PB Electrical

First City Fire and Security Ltd

Vale Fire & Security

Hunter Security & Cabling Solutions

BGE Digital

Cress Security Company Limited

Cress Security Company Limited

Reliance High-Tech Ltd

Acctive Systems Ltd

Nomico Electrical Company Limited

Connelly Group Holdings Ltd

Minerva Fire and Security Ltd

Tendring Telecoms & Security Systems

IP NRG Solutions

Mercury Fire and Security

NES Security

PWT Alarms

ABN Integrated Services

Secureshield Ltd (Scotland)

Corona Fire, Security & Infrastructure

Communicate UK

DPM Fire & Security Ltd

Mercury Fire and Security

L&BPS LTD

All Secure Security Ltd

Laing O'Rouke PLC

Reliance High-Tech Ltd

Smart CCTV Systems Ltd

NuTech Security Banstead