In December, Messe Frankfurt, an international trade show and event-management company, purchased the Clean Show, the largest linen, uniform and facility services event in the world. The last Clean Show, held in Las Vegas in June 2017, was named one of Trade Show Executive’s 50 Fastest-Growing shows across all three categories of the awards competition: net square feet of exhibit space, number of exhibiting companies and total attendance. Clean 2017 attracted more than 11,000 visitors and 481 exhibitors to Las Vegas. So why sell the Clean Show now?

John Riddle, Riddle and Associates, who has managed the Clean Show since ...