Local Equipment Makers

Guitar Amplifiers and Speakers

AccuGroove, Redding
Aracom Amplifiers, Morgan Hill
BC Audio, San Francisco
Budda Amplification, San Francisco
Acquired by Peavey in 2009
Gallien-Krueger, Stockton
Headstrong Amplifiers, Santa Cruz
Jule Amps, Santa Cruz
Mesa/Boogie, Petaluma
Acquired by Gibson in 2021
Milkman Sound, San Francisco
Sebago Sound, San Jose
Tone Tubby Speakers, San Rafael
Two-Rock Amplifiers, Rohnert Park
VHT Amplification, Brisbane
ZT Amplifiers, Berkeley

Guitar Effects

Audible Disease, Sacramento
Daring Audio, Belmont
Sonoma Wire Works, Los Altos
Voodoo Lab., Santa Rosa

Instrument Parts

Paul Chandler does pickguards now
Gilbert Tuners, Redwood City
Classical guitar tuners.
Intertune (LSR Tuners), San Francisco
Leo Quann / Badass, San Francisco
Acquired by Allparts in 2019
Skyway Music, Belmont
Guitar vibrato bridge
Synthparts Dot Com, Cupertino

Guitar Pickups

Moved to San Luis Obispo
David Allen Pickups, San Bruno
Dazzo Pickups, Mountain View
EMG Pickups, Santa Rosa
Jim Wagner Pickups, Soulsbyville
RMC Pickup Co., Berkeley

Software, Apps, Services

8Tracks, San Francisco
Sharing playlists, shut down in 2019, relaunching
Aha Radio, Palo Alto
Acquired by Harman in 2010
Avid Technology, Mountain View
Acquired Digidesign, Sibelius, Euphonix
BandPage, San Francisco
Raised $27 million, bought by YouTube for $8 million
Dolby Labs, San Francisco
Also in Sunnyvale
Gracenote, Emeryville
Music data
JamBase, Oakland
Concert listings
McDSP, Mountain View
Plugins for digital audio workstations
Moforte, Mountain View
GeoShred modeled instruments from CCRMA
Patreon, San Francisco
RockBot, Oakland
SoundHound, Santa Clara
Tune In, San Francisco
Radio app


Apple, Inc., Cupertino
Boombotix, San Francisco
Portable speakers
Countryman Associates, Menlo Park
Microphones, instrument mics
Creative Labs, Milpitas
DRS Racks, Sacramento
Guitar Rack Systems
E-MU, Scotts Valley
Encore Electronics, Lafayette
Furman Sound, Petaluma
Miselu, San Francisco
Monster Cable, Brisbane
Muse Research, Menlo Park
Hardware for virtual instruments, closed in 2017
NHT, Benicia
Nady Systems, Emeryville
Network Sound, Folsom
Olive, San Francisco
Parasound, San Francisco
Pono Music, San Francisco
Neil Young's company, closed in 2017
Ragtime West, Ceres
Sennheiser Research Labs, San Francisco
Synthesizer-oriented chips
Spectral Audio, Sunnyvale
Very high end audio gear
Sweet Vinyl, Mountain View
Surface noise remover electronics
Universal Audio, Scotts Valley