(country unknown)

 (brand unknown)

 Amiko

 Amtron

 Axtar

 Bawler

 Bel

 Bond

 Boro

 BST

 BWE

 C.I.C

 Century

 Climb

 Coxx

 Crest

 Cruze

 CSR

 Cyclone

 D.B. Goods

 Damila

 DBJ Laboratories Inc.

 Denio

 Diplomat

 Dixon

 Drive

 Dynamic

 Echolix

 Eiko

 EKI / Electronic Kits International

 Elephant

 ELI

 Emico

 eXtreme

 FAT (Freeform Analogue Technologies)

 Firstman

 Fischer

 Freedom

 Fuzzy

 G.M. Electronics

 Gemini

 George Miles

 Gig

 Gilco Electronics

 Grant

 Groessl

 Groovin'

 Ground Control London

 Guernica

 Hamony

 Hi-Max

 High-Kit

 HIP

 Hot-Box

 HR Legend Effects

 Hurricane

 Image

 JGR Electronics

 JJ Custom

 JMX

 K.M. Rix

 Kalinin (Калинин)

 Karera

 Keith Bein

 Ken Multi

 Kendrix

 Kent Armstrong

 Kimberly

 Kingston

 Kiyo

 Labo

 Laser

 Lonax

 Luster Proseries

 Mac-Tone

 Mako

 Mana

 Marathon

 Matrix

 Maxx

 Maya

 Melody

 Melos

 Meridian Stage Pro

 Milford

 Mirano

 Monkee Music

 MTI

 Nashville

 Nelsound Effects

 Nevada

 Next!

 Northland

 Nozzy 3

 Orbitron

 Oscar

 OTO

 Oz

 Oz-FX

 Peak

 PEC

 Photogenic

 Piezo

 PLC

 PMG - Professional Music Gear

 PMP - Professional Music Products

 PMS

 Polaris

 PortaSound

 POS

 Power City

 PowerVoice

 PR Series Percussion

 Precinct

 Pro Drive

 Pro-Effects

 Profile+

 R.K.I.

 Radtone

 Rath Amp

 Replica Industries

 Retrospec

 Ricken's

 RMS

 Rockson

 Ruby Tubes

 Seabro

 Sekova

 Selva

 Session

 Shelter

 Shinko

 Shot

 Signal-Flex

 Smoky Signal Audio

 Solec

 Sound Electro Acoustic L.M.H.

 Sound Master

 Soundtech

 Spheres

 SRS Electronics

 Stageworks by Vinci

 Stamps Amplification

 Star Record

 Starsound

 Steven

 Studio One

 SuperVega

 Suzuki

 Tele-Star

 Tempo

 TGI

 Thesis Audio

 Thomas

 Tone Gauge Pedals

 Tony Smith

 Uecks

 Union

 Venson

 Vision

 Volz

 Walton

 West Wood Accessories

 White Sands

 Williamson

 Willis

 Wilton

 Yack

 Yorker USA

 Zeek