AMA Verlag, Asian Sound, defdrums, Drumtrainer Berlin, Elbtonal Percussion, Freies Musikzentrum München, Friedrich Hofmeister Verlag, Giannini Swiss Drums, Gretel Verlag, Hal Leonard Publishing, Jochen Brenner, LEU Verlag, Marchingmusic Greenbeats, Marimba Instrumentebau, grooveEck Schlagzeugschule, Prof. Hermann Schwander, Pro Percussion AG, Prof. Raphael Christen, Prof. Lukas Böhm, The School, Twice Percussion, Stephan Krecklow, Pure Music Edutainment GmbH, beyond music e.V.(Überschlag Festival), Toni Schilter.

~Paiste
~Drums and Percussion Paderborn
~Schlagwerk
~Sonor
~Alfred
~Rönnefarth Percussion
~Stiftung bo59
~Percussionversand Brandt
~Drummers Institute
~Pearl
~Rohema
~SchlagZu
~drummer`s focus
~Kolberg Percussion
~Tama
~Meinl
~Studio49
~Mapex
~Yamaha
~REMO
~Handpan World
~Drum Score Prototype System
~Drumstation Maintal