Antonio & Joaquim Capela – Portugal

Bénédicte Friedmann – Italy 

Broad Musical Inc. – Taiwan 

Carlson & Neumann – Italy

Christian Schwengeler – Portugal

Craig Weinfuss – U.S.A. 

Dermot McIlroy – North Ireland 

Finnigan & Klaembt – Germany 

Frédéric Chaudière – France 

Fujii Guitars – Japan 

Gibertoni Violins – Italy 

Klein Yu – South Korea

Liuteria “La chiave di basso” – Japan 

Loefeguitars- Finland

Mark Barzilai – Andorra

Martin Schleske – Germany

Matheas Guitars – Australia

Moffaguitars – Italy 

Pavel Trishev – Russia 

Rozawood – Czech Republic

Sangirardi & Cavicchi – Italy 

Scuola di liuteria toscana – Italy 

Stefan Neureiter – Italy 

Stefano Trabucchi – Italy 

Toby Rzepka – U.S.A.

Vettori Family – Italy

Zachos K. Panagiotis Music Store – Greece