1. Pirelli & C. S.p.A.
2. Michelin Italiana S.p.A.
3. Bridgestone Italia S.p.A.
4. Goodyear Dunlop Tires Italia S.p.A.
5. Continental Italia S.p.A.
6. Yokohama Italia S.p.A.
7. Cooper Tire & Rubber Company Italia S.r.l.
8. Hankook Tire Italia S.r.l.
9. Toyo Tire Italia S.p.A.