In addition to HSC Haltern-Sythen, 87 other teams from 16 different countries do play in Boys 15. They are divided into 14 different groups, whereof HSC Haltern-Sythen can be found in Group 2 together with RP IF Linköping, BRH, IFK Skövde 1, Dalby Gif and Baekkelaget SK 2.