Exhibitions. Messe Frankfurt Exhibitions has acquired the biennial Clean Show which it will organise with five former sponsors. The 2017 show was held in Las Vegas and had 11,000 visitors and 481 exhibitors. The 2019 show will be held 20-23 June in New Orleans. Future events are planned for Atlanta and Orlando in 2021 and 2023 respectively. Messe Frankfurt will organise the Clean Show in cooperation with the former owners, five US trade associations that include Drycleaning & Laundry Institute, TRSA, the Association for Linen, Uniform and Facility Services, Coin Laundry Association, Association for Linen Management, and Textile Care Allied Trades Association.