1. Tata Motors Ltd

2. Ashok Leyland Limited

3. Mahindra & Mahindra Limited

4. VE Commercial Vehicles Limited

5. Daimler Truck AG

6. Scania CV AB

7. Force Motors Ltd.

8. MAN Truck & Bus India Pvt Ltd

9. SML Isuzu Ltd

10. Piaggio Vehicles Pvt. Ltd