Audio manufacturers
- Ulrich Bass
- Ultimate Ears
- Underdog
- UNiKA
- United Studio Technologies
- Universal Audio
- UVI
- V-Moda
- V3 Sound
- Vahlbruch
- Valeton
- Varus
- Varytec
- Vemuram
- Vengeance-Sound
- Verbos Electronics
- Vermona
- Vermona Modular
- Vertigo Sound
- Vicoustic
- Victory Amplifiers
- Vidami
- Vincent
- Violectric
- Visaton
- Viscount
- Vision Ears
- Vochlea
- Voodoo Lab
- Vostok Instruments
- Vox
- vpme.de
- VS Audio
- Waldorf
- Wallander Instruments
- Walrus Audio
- Walter Mahr
- Wampler
- Warm Audio
- Warwick
- Warwick by Bartolini
- Wavebone
- WaveMachine Labs
- Waveplayer Systems
- Waves
- Way Huge
- WES Audio
- Weston Precision Audio
- weyrerTon
- WHD
- Widara
- Wiener Pauken Produktions GmbH
- Wild Dog
- Willson
- XAOC Devices
- Xfer Records
- Xils Lab
- XLN Audio
- Xotic
- Xotic Guitars
- Xsonic
- XVive
- Yamaha
- Yanagisawa
- Yellowtec
- YoloLiv
- Yuer
- Yum Audio
- Z.Vex
- Zähl
- Zaor
- Ziegenspeck
- Zildjian
- Zivix
- ZO
- Zoom
- Zplane
- Zylia
- Zynaptiq