Here's the list of every car manufacturer in the game: Advan
Alitalia
Alpine
Autobacs
BBS
BP
Bremo
Bridgestone
Castrol
Cibie
Denso
Dunlop
Elf
Enkei
Esso
Exxon
Falken
Fet
Gulf
Havoline
Kenwood
Magnetti
Marelli
Masterfit
Michelin
Mobile
MOMO
Motul
Movistar
Oz
Pennzoil
Pirelli
Potenza
Puma
Quaker State
Rays
Red Line Racing
Red Line Synthetic Oil
Speedline
Texaco
Total
Toyo Tire
Trampio
Valeo
Vodafone
Yokohama

LIST OF TUNERS
-AMG
-Audi Sport
-Fiat Auto
-Corse
-Ford Racing
-HKS
-Lister Sport
-Lotus
-Mazda Speed
-Mine's
-Mugen
-Nismo
-Ralliart
-Spoon
-STi
-Tom's
-TRD
-TVR Racing
-TWR Racing
Manufacters & Tuners