Keeping Edinburg, TX homeowners safe from criminals! At ADT, we understand that the most important service we can offer to you is to protect the security and tranquility of your family and home. To us, this means more than just installing a home security system in your Edinburg, TX home. We have been the leading home security company for over 140 years. At ADT, we are also leaders among home security companies in Edinburg, TX developing home automation systems that work in conjunction with our home security alarms.