Circleville residents can rest assured that Pinnacle Security will provide a way to preserve what matters most. Pinnacle Security gives it's customers access to immediate response and guidance during a break-in or emergency. Security systems for homes, apartments, and businesses are Pinnacle Security.s specialty Our live monitoring allows you to speak directly with a monitoring facility if there is ever any form of an emergency. Live with a constant peace of mind by utilizing Pinnacle Security's home or business protection.