Keyhole Security
Keyhole security - the company behind all good security systems - contact us
http://www.keyholesecurity.co.uk

ADK Security
adk security services specialise in providing quality residential and commerial security systems including intruder alarms, burglar alarms, smoke detectors and other household security measures. NACOSS approved.
http://www.adksecurity.co.uk/

Security America, Inc.
A security and safety services company. Providing quality loss prevention services in West Virginia, Ohio, and Kentucky.
http://www.securityamerica.com/

Professional Quality Assurance (PQA) Ltd.
The Corporate website of Professional Quality Assurance Ltd. We specialize in testing and Software Quality Assurance, as well as offer services such as Performance and security testing and CQA. accessed 2570 times
http://www.pqa.ca/

Security Focus
SecurityFocus is designed to facilitate discussion on computer security related topics, create computer security awareness, and to provide the Internet's largest and most comprehensive database of computer security knowledge and resources to the public. It also hosts the BUGTRAQ mailing list.
http://www.securityfocus.com

ESTec Security
ESTec Systems Corp. offers information security consulting, policy and procedure development, certified audit assistance, ISO 27001, ISO 17799, BS 7799 implementation services.
http://www.security.estec.com/

Security Intelligence Services
Offers security management consulting, security analysis, and security education. Based in Haledon, New Jersey.
http://www.securitypersonified.com

International Security Defence Systems
specialists in high risk aviation security services and training, airport security and sky marshal training and consulting, ICAO, DfT and TSA standards applications, behavior pattern recognition training
http://www.isds.info/

SSS Lab.,Inc.
Windows Security Officer is an autonomous provider of log-on and resource restriction security application integrated with, yet independent of, the Windows operating system. It has the capability of providing extremely strong, secure control of who can access a personal computer resources, and exactly what they can do and when they can do it while they have access to those resources.
http://www.mybestsoft.com/index.html

Cambridge Univ's Computer Security Group
Research Interests: Security Protocols, Formal Methods, Reliability of Security Systems, Medical Information Security, Cryptographic Algorithms, Steganography and Information Hiding, Digital Watermarking, Hardware Security, Electronic Commerce
http://www.cl.cam.ac.uk/research/security/