Italy

 (unknown, Italy)

 Advance Tube Technology

 Alter Sonus Audio Research (ASAR)

 Batt's FX

 Bespeco

 Binson

 Brunetti

 Carella Guitars

 CEI

 Cicognani

 Coolsound

 Cosmosound

 CostaLab

 Da Aqua

 DA Electronics

 Davoli

 De Marchi

 De Salvo

 Delta

 Dino's Guitars

 Dixi

 DV Mark

 Eagle

 EarthTone

 Effetti Di Clara

 Ego Sonoro

 Eko

 Electronic Sounds (Gary Hurst Design)

 Eleven Electrix

 Elka

 Emthree

 EUR

 Excelsior

 Farfisa

 FBT

 FlexWaves

 Ft Elettronica

 G.D.M.

 G.I.S.

 Gary Hurst

 Giovanetti Hand Wired

 Goldsound

 GreyDressedBoy

 Guman

 Gun

 HedgeHog Stompboxes

 IK Multimedia

 Jad&Frèer

 Jen Elettronica

 Kor Pedals

 LAA Custom

 LaB

 Latemar

 Lema

 LL FX

 Mad Hatter

 Markbass

 Masotti

 Mastro Valvola

 MC Electronics

 Meazzi

 Moby Dick Effects

 Montarbo

 Moreschi

 MP Audio

 Nemphasis

 Night Angels Electronics

 Orlando

 Overgain Experiment

 Paolo Mazza

 Proel

 Regular Custom Effects

 Renegadrian FX

 Roberto Pistolesi

 Sakura

 Secret EFX

 Sharada

 Silversound

 Sisme

 Sonextone

 Soundsation

 Soundwave Design

 Steelphon

 T-Pedals

 Tekson

 Tevio Pedals

 TonoMatch

 VDL Professional Analogics

 Vinteck

 Wave's Factory (WSF)