Computers in Winnetka, IllinoisList of Companies in Computers category in the city of Winnetka, Illinois.Share this page: Sawyer Automated Systems Winnetka, Computers; 1121 Merril St, Winnetka, IL, 60093-1723; (847) 446-0100Teracomp Winnetka, Computers; 911 Green Bay Rd, Winnetka, IL, 60093-1773; (847) 446-00971