There are other manufacturers competing as Privateer teams which don't represent the manufacturer unlike the TTR team which represents Toyota, such as the Evans Motorsport Team which uses a Subaru but isn't backed by the manufacturer.
There are other manufacturers. These other manufacturers are competing as Privateer teams. These Privateer teams don't represent the manufacturer unlike the TTR team. This TTR team represents Toyota. This is such as the Evans Motorsport Team. This Evans Motorsport Team uses a Subaru. This Evans Motorsport Team isn't backed by the manufacturer.