[RXtacy]

Here is a list of some of the Japanese tuners. I have highlighted some of the larger more familiar companies. Credit goes to MotoTek and RE-Extreme.

Mazda Japan
AB Flug
Advance
Aero Master I
Aero Master II
Alex Motor Garage
Amuse
Amyu
Arios
Art Speed
ARVOU
AS-Auto
Auto Craft
Auto Exe
Auto Select
AutoStaf
Big Luck
Blue Blood
BN-Sports
Border Racing
Car Make Rasty
Car Make T & E
Car Service Hiro
Charge Speed
www.circus-eng.com
Craft Company
CS-Move
Curve
C-West
D-Speed
D-Like
DAMD
Dartizumi
Deck
DO Engineering
DRFT
D-Technique
ERC Rotary
Esprit
EST Fukuyama
Eternal
FAM Speed
Feast Power
Feed / Fujita Engineering
Final Konnexion
First Molding
Foresight
Free Style 7
Fujimura Auto
Garage IRS
Garage Kagotani
Garage R
Garage Rise Up
Garage Trick
Garage Urgent
Garage Wonder
Godabp
GP Sports
Harada Engineering
I-Feelin
INGS
Interceptor
Judas Racing
Katayama Racing
Kazama Auto
KBC
KKM
Knight Sports
KS Auto
KSP Engineering
KY Pro Motor
LEG Sport
M Sports
Makers 7
Team Ichiraku
Max Racing
Odula
Okada Engineering
Origin Design Lab
Original Box
Original Rundance
Out Trash
Over Drive
Over Whelm
Pan Speed
Pheonix 88
R-Magic
Rabbit
Rando
RE-Wing
Reaction Racing
Re-Amemiya
Revo-Tune
Rotary Graphitti
RS Speed
RS Pantera
Sanai
SCOOT
Sexy Style
Speed Connection
Stella
Super Now
Tamon Design
Thrash
T Get
TK Sport
Universal Air Support
URAS
Vanna
Vanquish
Veilside
West Yokahama
Works 9
Xtreme
Yours Sports
Zeigen
Zimax
Zips