1. Volkswagen
2. Audi
3. Lamborghini
4. Bugatti
5. Seats
6.bentley
7. Skoda Volkswagen: Jetta, Bora, Sagitar, Magotan, Polo, Kaidi, Golf, Phaeton, Passat, Touran and Golf.
Porsche holds shares in Volkswagen, not Volkswagen. According to German company law, Volkswagen is already a subsidiary of Porsche. It's just that neither side admits it.