Republic of Texas Fire and Security
- Full service Texas company offering consulting, design, installation, service monitoring and inspections for all aspects of security and fire systems. Services include fire alarm systems, video surveillance systems, wireless and life safety systems.
- http://www.republicoftexasfireandsecurity.com

Chase Security Systems, Inc.
- Manufacturer and distributor of security products including enclosures, racks, wire and metal products.Specializes in vehicle and access control towers and pedestals.
- http://chasesec.com/

Interlogix Inc
- Provides electronic security, CCTV, and fire solutions for physical and online environments. (Nasdaq: ILXI).
- http://www.gesecurity.com/portal/site/GESecurity

Digital Monitoring Products
- American manufacturer of advanced security and fire alarm products. Available through professional alarm installing companies worldwide.
- http://www.dmp.com/

Noby UK Limited
- Design, manufacture and distribution of fire and security alarm panels, power supplies, and communication devices. Headquarters in the United Kingdom.
- http://www.noby.co.uk/

Chubb Security Systems
- Provides security systems, CCTV, computerized alarm and access control systems.
- http://www.chubbsecurity.com/

Altronix Corporation
- Manufacturer of electronics and high technology components for select industries, including alarms, power supplies, access control, CCTV and home automation.
- http://www.altronix.com/

DSC
- Manufacturers of security, fire, and card access equipment including hardwired and addressable control panels, alarm devices, and central station receivers. Includes product information and distributor locator.
- http://www.dsc.com/

UTC Fire & Security
- Provides security and fire detection solutions throughout the world under the Chubb and Kidde brands.
- http://www.utc.com/units/security.htm

Tyco Fire & Security
- A division of Tyco International Ltd. Provides electronic security systems, fire protection, detection and suppression systems, sprinklers and fire extinguishers.
- http://www.tycofireandsecurity.com/

Bosch Security Systems
- Manufacturer of CCTV, intrusion and fire alarm systems, access control, security management systems, and communications systems. Provides global support for consultants, system integrators, installers, wholesalers, and OEMs.
- http://www.boschsecuritysystem.com/

Honeywell Security and Custom Electronics
- Manufacturer and distributor of electronic security systems, burglary and fire alarms for residential and commercial use worldwide.
- http://www.security.honeywell.com/hsce/