SummaryGreat Lakes Expo is happening from 04 December 2018, Tuesday to 06 December 2018, Thursday at DeVos Place Convention Center in Grand Rapids, MI. The organizer of the event is Glexpo. Great Lakes Expo is open to trade visitors. The estimated number of attendance is 5,000. The estimated number of exhibitors is 4,500. There will be over 70 sessions. The frequency of Great Lakes Expo is annual.