If you’ve not booked space for NeoCon at the Merchandise Mart, you are out of luck. No space is left to exhibit for the sold-out 2016 June show, according to show organizers. Blame it on a good economy, an increasingly strong show and perhaps most importantly, the reduced exhibition space at the Merchandise Mart. Merchandise Mart Properties Inc., which manages the building and runs NeoCon, decided last year it could close the eighth floor as a temporary showroom space for the event.