Security Systems & Services in Richardson, TX

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

Business Listings

If you want a security firm that responds speedily to your requirements, knows who you are when you call, and is resolute in keeping your security system in top working condition 24/7, then Sentinel is the security expert you need. We are family owned and all of our team works together to supply you with a complete, full-service approach that always puts your requirements 1st.


Commercial and domestic security systems for all your security requirements! Serving Texans for over twenty years! Whether it's fire or burglar alarm system, installation and monitoring, American Security Devices is a one stop firm for all your security requirements. Founded in 1988, ASD has expanded to service over 300 cities in Texas.

  • American Security Devices is a great local alarm company. I was able to call in and get

Dynapost supplies their clients with different kinds of DVR's and cameras. Customers can select the DVR and camera to fit their application and budget. The cameras can be PTZ, box, IR, dome, and special cameras. In addition, Dynapost has available, different aspects of cablings including coaxial cable, twisted pair wire, fiber optic, and modulator/demodulator for client's environments and applications.

  • We had Dynapost designed and installed a wireless network camera for our apartment. The


AgileMesh. is concentrated on the development of rapidly and easily deployable wireless mesh-based incident area networks IANs, with a particular focus on video surveillance. The features and benefits of these IANs make them particularly well-fitted to a huge array of event surveillance, law-enforcement and other 1st-responder applications.


Member of Dallas BBB since 1987 - ZERO sustained complaints since opening our doors! You WILL be satisfied with our equipment, our installations, our repair and monitoring service, our sincerity, our experience, and our prices. Successfully completed our 22st year in 2008. Locally owned, fully insured for your protection.