1stSecurityWarehouse.com
Specialises in IT Security technologies.
http://www.1stsecuritywarehouse.com

Boxing Orange
Managed security services provider delivering monitored firewalls, IPSEC VPN, intrusion detection systems, vulnerability assessments, security audits, and network security policy definition.
http://www.boxingorange.com/

C&A Security Risk Analysis Group
Provides risk assessment products.
http://www.security-risk-analysis.com

Clearview Systems
Network and internet security solutions.
http://www.clearview.co.uk

Digital Pathways Services
Provides specialised computer security solutions.
http://www.digpath.co.uk

Gamma
Offers independent, objective advice and help with information security
http://www.gammassl.co.uk

Global Technology Associates (GTA)
Provides encryption services, IP address management, consultancy, and training, and software products.
http://www.globaltech.co.uk

Microcosm Ltd
Specialises in the production of hardware and software based copy-protection systems.
http://www.microcosm.co.uk/

Mistral Firewall Systems
Provides wide range of firewall products.
http://www.mfirewalls.co.uk

New Media Security
Software vendor specialising in software solutions for secure mobile computing.
http://www.newmediasecurity.com

Sec-1
Specialises in the provision of network security solutions.
http://www.sec-1.com

Swivel Technologies
Is a software development and licensing company working in the field of online user authentication and secure card transaction systems for large scale ecommerce applications.
http://www.swiveltechnologies.com

Syrona Systems Ltd
Provides network security products including file encryption, VPN routers with firewall, anti Spam, and SNMP based temperature monitoring.
http://www.syrona.co.uk

i-sec
Provides BS 7799 risk assessments, penetration testing, and secure configuration.
http://www.i-sec.biz