Manufacturers
- Benedetto Guitars
- Collings Guitars
- Eastman Guitars
- Fender Guitars
- G&L Guitars
- Gibson Guitars
- Godin Guitars
- Guild Guitars
- Hamer Guitars
- Heritage Guitar
- Höfner
- Ibanez
- K-Line Guitars
- Knaggs Guitars
- Larrivée Guitars
- Lentz Guitar
- LsL Instruments
- M. Campellone
- Martin Guitars
- Music Man
- Nashguitars
- PRS Guitars
- Sadowsky Guitars
- Suhr Guitars
- SVL Guitars
- Taylor Guitars
- Tom Anderson
- Tom Bills Guitars
- Westville Guitars
Retailers
- Archtop.com
- Area 22 Guitars
- Atlanta Discount Music
- Austin Guitar House
- Bananas at Large
- Carter Vintage Guitars
- Corson Music
- CR Guitars
- Cream City Music
- Dave's Guitar Shop
- Distinctive Guitar
- Fuller's Guitar
- Gruhn Guitars
- Guitar Gallery
- Guitars 'n Jazz
- Guitar Riot
- Humbucker Music
- Island Music Co
- Mass Street Music
- The Music Emporium
- The Music Gallery
- Music Toyz
- Rainbow Guitars
- Righteous Guitars
- Rock N Roll Vintage
- Spacetone Music
- Strings and Things
- Sweetwater
- Upfront Guitars
- Vintage King
- Milkman Sound
- Wildwood Guitars
- Willcutt Guitars
- Willie's Guitars
- Wolfe Guitars
Amplifiers
- Bludotone
- Bogner Amplification
- Budda Amplification
- Carr Amplifiers
- Category 5 Amplification
- Divided by 13
- Dr. Z Amplification
- Fuchs Audio Technology
- Headstrong Amps
- Henriksen Amplifiers
- HIWATT Amplification
- Indigo Amplification
- Mack Amps
- Magnatone Amplifiers
- Matchless Amplifiers
- Mesa Boogie
- Milkman Sound
- Morgan Amplification
- Port City Amps
- Quilter Labs
- Rivera Amplification
- Trinity Amps
- Two-Rock Amplifiers
- Victoria Amp Co.
- Vintage Sound Amps
Effects / Accessories
- Analog Man
- Butler Audio
- Tube Driver
- Fulltone
- Glenn Cronkhite Guitar Bags
- J. Rockett Audio Designs
- JHS Pedals
- Lakota Leathers
- Lehle Switchers
- JHS Pedals
- Mad Professor Amplification
- Maxon
- Peterson Strobe Tuners
- Providence
- Real McCoy Custom
- Geoffrey R. Teese
- Robert Keeley Engineering
- Ron Ellis Pickups
- Sonic Research *
- Turbo Tuner
- Source Audio
- Strymon
- Toneczar Pedals
- Voodoo Lab
- Wampler Pedals
- Xotic California