friends

in alphabetical order 依字母筆畫順序排列
 
- Amptweaker Cumming, GA, USA
- Benedetto Guitars Savannah, GA, USA
- Berklee College of Music Boston, MA, USA
- Bill Lawrence pickups Corona, CA, USA
- Carruthers Custom Guitars Camarillo, CA, USA
- Chocolate Electronics Chiba, Japan
- Cronin Archtop Guitars Worcester, MA, USA
- Full Moon Guitars Tokyo, Japan
- GCA of Musician's Institute Los Angels, CA, USA
- Kammler Tunator Cabinets Hamburg, Germany
- K.T.S Titanium Guitar Parts Saitama, Japan
- Lazy J Amps and Pedals Portsmouth, UK
- Montreux Guitar Parts Tokyo, Japan
- Nik Huber Guitars Rodgau, Germany
- Spector Bass Saugerties, NY, USA
- Tone Quest Report Altalanta, GA, USA
- Van Weelden Amplification, The Netherlands