Exhibitor A-Z Eamonn Maguire, GLAS Team Exhibitors at GLAS represent a Who’s Who in horticulture, sportsturf and their related sectors INTERESTED IN EXHIBITING IN 2020? GLAS: CONTACT US NOW. GLAS 2019 took place on 18 July. For information on exhibitors contact the organisers here>> Interested in exhibiting in 2020? GLAS: contact us now.