Custom Software Developer Home / Software Development / Illinois, USA / Chicago / 60601 / Ion Trading Ion Trading - Software Development services, Illinois, USA Ion Trading Software Development services, Illinois. Ion Trading, 200 N LaSalle Blvd #2200, Chicago, IL 60601, United States, 60601, USA+1 312-559-0250https://www.iontrading.com Custom Software Developer Services offered in Illinois: Bespoke Software Development, Custom Software Development, Software Design, Application Development, Embedded Software Development, Business Software Solutions