With live monitoring assistance during emergencies or accidents, protection from intruders, and free installation and relocation installs it's no wonder so many are turning to Pinnacle Security for all their security needs in Alexander. The type of system we offer will depend on the size, number of entry points, and your specific needs. Security systems for homes, apartments, and businesses are Pinnacle Security.s specialty Protect your home or business and way of life with one of the best security companies in the nation. Pinnacle security hopes to help you establish a safer home by offering great prices and a commitment to customer satisfaction.