(Des Moines, IA) -- EMC Insurance is announcing they are putting the Hub Tower and Kaleidoscope complex up for sale. The announcement was made Thursday, the location is at the 600 block of Walnut Street in downtown Des Moines. EMC Vice President Cindy McCauley says the building is no longer needed by the company because of employees working remotely. The insurance company is also selling two brick warehouses near the DART Central Station. EMC plans to downsize to only their main headquarters on Mulberry.