Throughout the years, Granite residents have continually relied on Pinnacle Security to satisfy their home security needs. Here at Pinnacle Security, we pride ourselves on the number of times our system has deterred break-ins, burglaries, assaults, and accidents. Security systems for homes, apartments, and businesses are Pinnacle Security.s specialty Here at Pinnacle Security, you are guaranteed to receive exactly what you pay for, every time. Get what you've been looking for and let Pinnacle Security preserve what means most to you.