Amplifiers
- Bludotone
- Bogner Amplification
- Budda Amplification
- Carr Amplifiers
- Divided by 13
- Dr. Z Amplification
- Fuchs Audio Technology
- Headstrong Amps
- Henriksen Amplifiers
- HIWATT Amplification
- Indigo Amplification
- Mack Amps
- Matchless Amplifiers
- Mesa Boogie
- Milkman Sound
- Morgan Amplification
- Quilter Guitar Amplifiers
- Rivera Amplification
- Trinity Amps
- Two-Rock Amplifiers
- Victoria Amp Co.
- Vintage Sound Amps
- Vox Amplification Ltd.
Effects / Accessories
- Analog Man
- Fulltone
- J. Rockett Audio Designs
- JHS Pedals
- Lakota Leathers
- Lehle Switchers
- Maxon
- Peterson Strobe Tuners
- Real McCoy Custom
- Geoffrey R. Teese
- Robert Keeley Engineering
- Sonic Research *
- Turbo Tuner
- Toneczar Pedals
- Voodoo Lab
Strings
Manufacturers
- Benedetto Guitars
- Buzz Feiten Guitars
- G&L
- Godin Guitars
- Guild Guitars
- Hamer Guitars
- Heritage Guitar
- Höfner
- Ibanez
- Knaggs Guitars
- Larrivée Guitars
- LsL Instruments
- Martin Guitar
- Music Man
- PRS Guitars
- Sadowsky Guitars
- Suhr Guitars
- SVL Guitars
- Taylor Guitars
- Tom Anderson
- Tom Bills Guitars
Retailers
- Archtop.com
- Atlanta Discount Music
- Bananas at Large
- Chicago Music Exchange
- Corson Music
- Cream City Music
- Distinctive Guitar
- Eddie's Guitars
- Elderly Instruments
- Guitar Gallery
- Guitars 'n Jazz
- Humbucker Music
- Music Store Live
- Music Toyz
- Reverb
- Rock N Roll Vintage
- Strings and Things
- Sweetwater
- The Upper Bout
- Wildwood Guitars
- Willcutt Guitars
- Willie's Guitars
- Wolfe Guitars