Alert Protective Services has over 30 years of experience in securing homes and businesses in the Chicago area. Alert Protective Services offers a range of complete, customizable home security solutions to protect their valued customers. They offer surveillance tools, intercoms and home security systems with remote monitoring and control capabilities. Alert Protective is also a member of the Illinois Electronic Security Association.

Denning Electronics has solved big communications, protection, and surveillance problems by providing sales and technical support to distributors, security system integrators, engineering design firms, architects, and system users. Their specialties include outdoor intrusion detection, video and audio surveillance, video/audio/data networks and transmission, access control, and ballistic/blast/chemical/acoustic barriers.

DMC Security Services is a leading provider of commercial and residential security . The company offers fire- burglar-video and access control systems. DMC offers security services and electronic protection in Midlothian Illinois. DMC Security was incorporated in 1970 and in 1991 its U.L. Central Station (Underwriters Laboratory) has been monitoring alarm for its clients and other Central Stations as well.

In February 2013, Scout launched an independent crowdfunding campaign to pre-sell its devices. Since then, over $500,000 worth of systems have been sold. Scout's mission is to create a home security system that is smart, simple and affordable. It provides thoughtful, curated home security from end-to-end; a modern home security system for a modern home.

Security Alarm provides installation services for homes, farms, businesses, and buildings. The company's portfolio covers fire safety, access control, video surveillance, burglar alarm, and home automation.

Skynet Security consists of security professionals with over 15 years of industry experience. The company offers security systems for home & business. The expert consultants take time to understand clients' security challenges, determine security needs, & design customized security system to maximize return on investment. Skynet provides services such as video surveillance, alarms & monitoring, cloud based solutions as well as access control.

A part of Stanley Black & Decker, STANLEY Convergent Security Solutions, Inc. is the second largest electronic security company based on total revenue and one of the largest system integrators in the United States. STANLEY CSS designs, installs, monitors and services security systems for industrial, government, commercial, residential and national account customers.

A division of Stanley Black & Decker (SWK), STANLEY Security is one of the leading security providers in the United Kingdom and around the world. STANLEY designs, installs, monitors and services security systems for industrial, government, commercial and national account customers. STANLEY's employees have the training, the equipment and the processes they need to deliver the finest security solutions in the industry.

Umbrella Technologies is a security consulting & system integration firm focusing on video surveillance systems, access control and mass notification solutions. Umbrella Technologies creates innovative products within the security industry including HD cameras, video management software, and business intelligence analytics.

VinTech is a Chicago-based, full service IP Security provider. They guarantee maximum client satisfaction by providing reliable, cost-effective and flexible electronic security solutions.

Yale Enforcement Services provides physical security, life safety and remote video intrusion detection solutions. They provide customers with a full range of solutions, from standing security guard services, mobile patrol, closed circuit television, access control, fire and burglar alarm systems and quality surveillance equipment to fully integrated interactive remote video monitoring systems.