95 per month. Installing a home alarm system can help keep you and your family feeling more secure. From our research, Chicagoans have a few solid options when it comes to home security companies that serve the area. We looked into several locally owned home security companies in Chicago, and if you’re sure you won’t be moving anytime soon, Forest Security and Security Doctors are good choices. If you choose a local company, be prepared to give them your contact information before they’ll give you a quote. Most local companies only offer professional installation, so if you’re looking for a cheap security system that you can DIY install, a national provider like Frontpoint may be better.