GDI cambridge (they do anything performance related for any car)
AWT cambridge (anything performance related, renault, honda, toyota, specalising in headwork)
K-tec Dorset (anything from bodykits, lights, brakes, turbos etc etc)
BBPT Essex (tuning specialist, turbo conversions)
Yozzasport Midlands/Cambridge (NA renault tuning specialists, track prep etc etc)