Abt Cupra Audi Sport Team Rosberg Andretti Autosport A.J. Foyt Enterprises Aston Martin Racing AF Corse ART Grand Prix Arden International Arrows Aprilia Racing Team Autometrics Motorsports Athina Forward Racing Akka ASP Always Evolving Racing Attempto Racing Athenian Motorsports Automatic Racing Alex Job Racing Action Express Racing Alara Racing AT Racing AB Motoracing Ajo Motorsports AGR Team AGT Rea Racing APH PTT The Pizza SAG Alifraco Sport Altuna Competicion Algarve Pro Racing Team Althea Racing AVF AmD Tuning AF Racing Alegra Motorsports AM Racing Adapta Motorsport ARC Bratislava Austin Hill Racing Antonelli Motorsport Acciona Dakar Alfa Romeo Aprilia Racing Team Audi Race Experience Aldo Racing Team Audi Sport ABT Schaeffler Arrow SPM ATS (wheels) Agostini Yamaha Astra Honda Racing Team AIM Vasser Sullivan Absolute Racing Aspar Team Andretti Harding Steinbrenner Autosport Alpine Audi Sport ABT Motorsport AKM Motorsport AMattheis Vogel Alpha Racing Arnage Racing Aprilia Racing Aston Martin