Comtronics is one of the most diverse companies in Southern Michigan. Comtronics main business is the supply and management of solutions for security, communications and entertainment. Comtronics is a Verizon Wireless Premium Retailer, with a full line of cellular devices and accessories. Established in 1958, the Communications Division is comprised of products and services including Verizon Wireless products, and two way radio systems. The Security Division, established in 1970, consists of burglar alarms, fire alarms, access control and video surveillance. Comtronics Security Division has more than 4,500 residential and commercial customers in eight states: Michigan, Ohio, Illinois, Wisconsin, Indiana, Iowa, Minnesota and Florida. Comtronics has developed business relationships with Jackson Community College, Wendy's Restaurants, Flagstar Banks, Verizon Wireless, and Citizens/F&M Banks. The company is headquartered in Jackson, Michigan.