North America (USA)
1552 Design
Advanced Engine Management
Advanced Motorsport Solutions
Advanced Tuning Products
Arospeed
Autobahn Design Racing
Autotech Sport Tuning
Autothority
AWE Tuning
B+G Suspensions (USA)
Bahn Brenner
Bildon Motorsports
Bilstein USA
Clear Corners
CFI Motorsports
Crane Cams (Import)
Dub Technik
Eibach
EIP Tuning
Eurospeed LTD
Eurosport Accessories
Eurotech-Atlanta
Eurotech Racing
Evolution Sports
Evolution Tuning
Futrell Autowerks
Garret Integrated Automotive
Greedspeed
Ground Control
JT Motorsport
Komposit Carbon Fiber Parts
Kraftswerk (6-speed)
KVR Performance
Matrix Engineering
Motronix Motorsports
MidKnight Motorsports
Neuspeed
New Dimensions
Peloquin Differentials
Quaife Diferentials
Rapid Parts
SAVAS Tires & Wheels
Shine Racing Service
Skunk2 Performance Products
Sprint Performance Suspension
Strictly Foreign
Supreme Power Parts
Techtonics Tuning
Tomas Sport Tuning
TRM Performance
Unorthodox Racing
Velocity Sport Tuning
Virtual World Parts
Volks Motorsports
VW 6-Speed (020)

North America (Canada)
AMI Motorsports
Brullen Exhaust Systems
HPA Motorsports
Momentum Motorsport
PG Performance
Ron's Parts: RPI Equipped
Trac Racing

Europe (Germany)
ABT
B&B Automobile Technik
Bonrath
Bosch
Colour Tuning
D&W Online
Dietrich Tuning
Digitec Sport Tuning
DTS Tuning
Eibach
Evotech
Fischer
FK Automotive
H&R Spezialfedern
H&S Elektronik Gmbh
Hartmann Motorsports
Hella
Hofele Design
JE Design
Jetex-Fortex Gmbh
JMS RaceLook Car Styling
JOM Gmbh
Jörg
Kamei
Kerscher
Krupp-Bilstein
KW Gewindefahrwerke
Mattig Tuning Gmbh
MHW Car Dynamic
MTS Car Styling
MK Tuning
Nothelle
Oettinger
ProjektZwo
Recaro
Rüddel Motorsport
Rieger Tuning
Sachs-Boge
Schrick GmbH
Sebring
Sorg Motorsport
Steffan Fahrwerksbau
Süd-West-Autoteile-Gmbh
TEC AutomobilDesign
Trendparts
VDO
Wagner Tuning
Wetterauer
Zender

USSR
VW/Audi Online Microfische

VW Classified Boards
EuroSwapMeet.com
ND Auto Classifieds
NorCal VW Classifieds
SFBAVW Gruppe Classifieds
VW Vortex Classifieds

Europe (Austria)
Remus
Sebring

Europe (Belgium)
Auto Sport Willy

Europe (France)
BPS Rallye
Caractere

Europe (Holland)
Apex Suspension Systems

Europe (Italy)
Autotest
Brembo
Momo
OMP Racing
Supersprint

Europe (Netherlands)
B+G Sport Suspensions
Cabrio Designs
JD Engineering
Koni

Europe (Swiss)
Z-Engineering

Europe (United Kingdom)
Automotive Development (AmD)
AVO Shocks
Awesome GTI Store
Dub Sport
Nik Saran Racing
Kent Cams
Milltek Sport Exhausts
Piper Cams
SPAX
SWG Motorsport
TSR Performance
The Tuning Shop

Asia (Japan)
Carmate/Räzo
Cox Inc.
Ishikawa Engineering
Manny's Auto

Australia
Power Chip

Information
ABA 16v Turbo How-To
Club ABF (France)
16v Tech Info-Scirocco16v.com

General VW Sites
J Welty's VW Page
Pocket Rocket GTI Pages (Canada)
VW Vortex

Europe (United Kingdom)
Performance VW Magazine
Max Power Magazine