| AC Schnitzer | www.acschnitzer.de |
| Acura | www.acura.com |
| Alfa Romeo | www.alfaromeo.com |
| Arden | www.arden.de |
| Ascari | www.ascari.co.uk |
| Aston Martin | www.astonmartin.com |
| Audi | www.audi.com |
| AutoThority | www.autothority.com |
| B. Engineering | www.edonis.it |
| Bentley | www.rolls-royceandbentley.co.uk |
| Bizzarrini | www.bizzarrini.it |
| BMW | www.bmw.com |
| Brabus | www.brabus.com |
| Buick | www.buick.com |
| Cadillac | www.cadillac.com |
| Callaway | www.callawaycars.com |
| Carlsson | www.carlsson.de |
| Caterham | www.caterham.com |
| Chevrolet | www.chevrolet.com |
| Chrysler | www.cadillac.com |
| Dax | www.daxcars.co.uk |
| Dauer | www.962lm.com |
| Dinan | www.dinanbmw.com |
| Dodge | www.4adodge.com |
| Doug Rippie Motorsports | www.dougrippie.com |
| Farboud | www.farboud.com |
| Ferrari | www.ferrari.com |
| Ford | www.ford.com |
| Gemballa | www.gemballa.com |
| Ginetta | www.ginetta.co.uk |
| Guldstrand | www.guldstrand.com |
| Hamann | www.hamann-motorsport.de |
| Hartge | www.hartge.de |
| Honda | www.honda.com |
| HSV | www.hsv.com.au |
| Infiniti | www.infiniti.com |
| Innotech | www.innotech.cz |
| Invicta | www.invictacar.com |
| Jaguar | www.jaguar.com |
| Kleemann | www.kleemannusa.com |
| Koenig | www.koenig-specials.com |
| Koenigsegg | www.koenigsegg.se |
| Lamborghini | www.lamborghini.com |
| Lear | www.lear2000.com |
| Lexus | www.lexus.com |
| Lingenfelter | www.lingenfelter.com |
| Lister | www.listercars.co.uk |
| Lorinser | www.lorinser.de |
| Lotus | www.lotuscars.co.uk |
| Mallett | www.mallettcars.com |
| Marcos | www.marcoscars.com |
| Maserati | www.maserati.it |
| Mazda | www.mazda.com |
| McLaren | www.mclarencars.com |
| Mercedes-Benz | www.mercedesbenz.com | Mini | www.miniusa.com |
| Mitsubishi | www.mitsubishimotors.com |
| Morgan | www.morgancars.co.uk |
| Mosler | www.moslerauto.com |
| Mullen | www.mullenmotorco.com |
| Nissan | www.nissandriven.com |
| Oettinger | www.oettinger.com |
| Opel | www.opel.com |
| Panoz | www.panozauto.com |
| Paxton | www.paxtonauto.com |
| Peugeot | www.peugeot.com |
| PFS | www.pfsupercars.com |
| Pininfarina | www.pininfarina.it |
| Plymouth | www.chrysler.com |
| Pontiac | www.pontiac.com |
| Porsche | www.porsche.com |
| Protomotors | www.protomotors.com |
| Qvale | www.qvaleauto.com |
| RSI | www.racingsolutionsinc.com |
| Renault | www.renault.com |
| Renntech | www.renntechmercedes.com |
| Rinspeed | www.rinspeed.com |
| Ronart | www.ronart.co.uk |
| Roush | www.roushperf.com |
| RUF | www.ruf-automobile.de |
| Saab | www.saab.com |
| Saker | www.saker.co.nz |
| Saleen | www.saleen.com |
| Sensor | www.sensor-racing.com |
| Shelby | www.shelbyamerican.com |
| SP Engineering | www.sp-power.com |
| Spyker | www.spykercars.nl |
| Steeda | www.steeda.com |
| Stillen | www.stillen.com |
| Stola | www.stola.it |
| Strathcarron | www.strathcarron.com |
| Strosek | www.strosek.de |
| Subaru | www.subaru.com |
| Suzuki | www.suzukiauto.com |
| Techart | www.techart.de |
| TNT | www.tntvipers.com |
| Tommy Kaira | www.tommykaira.com |
| Toyota | www.toyota.com |
| TVR | www.tvr.co.uk |
| Ultima | www.ultimacars.com |
| Vemac | www.vemaccars.com |
| Volkswagen | www.volkswagen.com |
| WCM | www.wcmultralite.com |