- Bigger Room Productions
- Custom Pearl Inlay
- Blues Creek Guitars
- Birkonium CNC Services
- Dandy Acoustic
- Luthiers Showcase
- American Tonewoods
- Country Roads Guitars
- Fish Glue
- Wood to Works
- Maury's Music
- RC Tonewoods & Sons
- Strings By Mail
- Frets.com
- Dandy Job
- Bitterroot Guitars
- The Association of Stringed Instrument Artisans
- Eric Schaefer Guitars
- Exotic Wood Zone