The United Soccer League announced today it has entered a partnership with Groupmatics, which will make it the Official Group Ticket Sales Platform Supplier for all related properties, including the USL Championship – the pinnacle of competition – USL League One (formerly USL Division III), USL League Two (formerly the Premier Development League) and the Super Y League. Groupmatics becomes the latest member of the USL’s Preferred Supplier Program, which has grown rapidly alongside the league to provide high-caliber services to the league and its clubs.