Our trained security alarm professionals in Elwood understand the importance of home security. 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 At Pinnacle Security, you can expect great customer service and low prices. Get what you've been looking for and let Pinnacle Security preserve what means most to you.