CriTec Consult Ltd
- Security consultancy company specialising in the design and specification of integrated security systems for corporate and large private facilities.
- http://www.critecconsult.com

Security By Design
- Independent security management, consulting and design engineering firm, with over 25 years experience providing solutions to corporate, industrial, and institutional clients. Based in California.
- http://securitybydesign.us

Burhans Burhans
- Product support group providing design, training and marketing services to Midwest USA companies involved in the supply and installation of security related systems.
- http://www.burhans-burhans.com

Gordon Herrald Associates
- Specialist areas include Security Management Systems, integrated systems, access control, CCTV, fire, electronic and physical security.
- http://www.herrald.co.uk

Select Security Technologies
- Specializing in enterprise security solutions, installations and service for department stores and chain stores.
- http://www.selectsst.com

Ultrasafe Security Specialists
- Consult on fire and burglar alarm systems, CCTV, intercoms, and access control systems. Located in Southern California.
- http://www.ultra-safe.com

Monteria Global Communications Intelligence
- Communications surveillance services, products, and training.
- http://www.monteriallc.com

Denning Electronics
- Manufacturers representative, located near Chicago, Illinois. Providing advice and technical support for the design and implementation of electronic security systems to installers and architects.
- http://denningelectronics.com

CCTV Information
- Security information portal providing technical advice, service and equipment providers and terminology for CCTV systems in the United Kingdom.
- http://www.cctv-information.co.uk