Alert Security Service

When you're protected by ADT, you are protected by the biggest, oldest, and one of the finest security firms in the nation. Throughout its 125-year history, ADT has led the way in the innovation of security services, from the simple Call Boxes of the early 1900's to the interactive video surveillance of the year 2000. And this experience is recognized. ADT assists protect most of America's Fortune 500 firms and financial institutions. As a matter of fact, ADT assists protect over 2. 5 million clients nationwide.