About Us

Kelex Security has over 50 years experience!

Independently owned and operated, Kelex Security has been offering safety and security to its customers since 1985. Marvin Johnson (owner) has been in the alarm business for 50 years. Kelex Security provides a full range of security solutions: fire, burglar, sprinkler, access control, video surveillance, private patrol, private investigations, home vacuum systems, home intercom systems, and monitoring at a UL listed control center.

BURGLAR & FIRE PROTECTION SYSTEMS

24-hour monitoring by a UL listed control center can detect unauthorized intrusion, smoke, heat, and carbon monoxide. Both our company and the control center are UL listed (Underwriter's Laboratories, an independent testing organization that sets quality standards for all electronic and consumer products). UL listed companies must follow strict guidelines and are inspected annually to stay in compliance.

Kelex Security will custom design a system to fit your specific needs, which will give you peace of mind for life and property and will also ensure safety. When a system is connected to the control center, it is being monitored 24 hours a day, 365 days a year. We pride ourselves on providing courteous, professional and personalized service to all our customers.
Security Systems — Fire Extinguisher in Campbell, CA

BURGLAR & FIRE PROTECTION SYSTEMS

24-hour monitoring by a UL listed control center can detect unauthorized intrusion, smoke, heat, and carbon monoxide. Both our company and the control center are UL listed (Underwriter's Laboratories, an independent testing organization that sets quality standards for all electronic and consumer products). UL listed companies must follow strict guidelines and are inspected annually to stay in compliance.
Security Systems — Fire Extinguisher in Campbell, CA
Kelex Security will custom design a system to fit your specific needs, which will give you peace of mind for life and property and will also ensure safety. When a system is connected to the control center, it is being monitored 24 hours a day, 365 days a year. We pride ourselves on providing courteous, professional and personalized service to all our customers.

ASSOCIATIONS WE ARE MEMBERS OF:

  • Campbell Chamber of Commerce
  • Golden State Builders Exchange
  • Better Business Bureau
  • CAA-California Alarm Association
  • CAFAA-California Automatic Fire Alarm Association
  • NBFAA-National Burglar & Fire Alarm Association
  • NFPA-National Fire Protection Association
  • WBFAA
  • UL-Underwriters Laboratory Listed
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