The British Touring Car Championship is a touring car championship organized by FIA that has been held in the British Isles since 1958. It currently includes more than 25 drivers, 10 teams and 6 manufacturers. In recent years some models have incorporated alternative fuels like gasoil, gas liquefied from petroleum and bioethanol. Throughout its history, the championship has experimented with different regulations like Group 1 and 2, Group A and N, Supertouring, BTC touring and currently, the Super 2000. This classification lists the winning manufacturers since the category's creation in 1991.