Dillard Alarm Company Dillard Alarm Company is locally owned and operated, and is the areas oldest alarm company still in existence today. We have been serving the greater Fredericksburg area since 1976. We are proud to the only local authorized dealer of First Alert Professional ( c ) and are committed to providing the most technically advanced security equipment with superior service. If you would like to learn more about our security systems, fire systems, CCTV products or any other systems or services, please feel free to navigate through the website, or call the office at 540 ) 898-0771 for more information. We look forward to serving you and meeting your security needs.