sauber
Sauber Motorsports is a Swiss motorsports engineering company that has built racecars for varied purposes including hillclimbing, World Sportscar Championship, and Formula One.
In F1, Sauber has been the main engineering force behind BMW and Alfa Romeo's F1 teams, and is set to run Audi's upcoming effort beginning in 2026. In WSC, the were most well known for co-developing prototypes with Mercedes-Benz