Security Systems & Services in Lewisville, TX

Comprehensive list of Lewisville, Texas based companies offering installation, maintenance and repair of home and business security systems, CCTV & burglar alarms, guard and video surveillance services.

Business Listings

C-Tek Systems. strives to provide the finest in high-value, low-priced systems in the Fire Alarm, Security, CCTV Video, and Audio Markets. We Service as well as Install all kinds of low voltage electronic systems. We sell all kinds of replacement parts for most brands of systems and peripheral devices.


Your home is more than the roof over your head. It represents stability, security and safety. As a family run and operated firm, we understand firsthand the desire to guard your, home, possessions and family. With just under twenty years of knowledge in the Dallas-Ft.


We supply security solutions for domestic, industrial and commercial by combining a quality security system with an experienced and reliable monitoring service. UL and CSSA Certified Alarm monitoring offered by United Central Control. Peace of mind is what you get when you combine a quality security system with an experienced and reliable monitoring service.



BWS Fire Systems. is your source for affordable, reliable fire detection systems comprised of fire alarm control panels, early-warning smoke detection, manual pull alarms, audible/visible notification and more. We supply routine inspections, maintenance, repair, monitoring and system upgrades. Let us quote your next project!


International Investigators is a locally owned and run business set up in 1982. Our expertise is in Security Guard and Patrol Services. We have a staff of specialists that can evaluate your security requirements and suggest to you the most cost effective way to guard your people and assets. We always aim to please our customers in the most professional, but personalized manner.


Alarm Monitoring - No Phone line needed! To start, we suggest taking advantage of our FREE No Obligation Security Review. During the security review, we'll make recommendations where your security concerns and your budget meet. Thank you in advance for choosing NTX Security as your security firm.


Emergency lockout of your home, office or auto in the Dallas, Texas area? Don't worry--HELP IS ON THE WAY! Do you need locks installed, repaired, or re-keyed? We can assist you and do it speedily and at affordable prices. We understand the peace of mind that comes from knowing that your family and possessions are safe and secure, and we're dedicated to achieving that goal through the proper use of


Online Security Systems is THE BEST DFW/Dallas area supplier of domestic and commercial alarm systems. Online Security Systems can take over most existing alarm panels. It normally takes about an hour, and we perform a comprehensive audit of your system. We are one of the few Dallas area firms who can provide UL listed local alarm monitoring services.