4. Mahindra
5. Escorts
6. TAFE
7. New Holland
8. International Tractors

9. Mercedes R&D India

Two-wheeler companies

1. Hero Motocorp
2. Bajaj Auto
3. TVS Motor
4. Eicher Royal Enfield

Gear box companies

1. Elecon
2. New Allenberry
3. Shanthi Gears
4. Premium Transmission
5. Triveni
6. Suzlon

7. Vulcan Industries

8. Kavitsu

9. Ingeco Gears

10.Magtorq

Forging Companies

1. Shivam Autotech

2. L&T Special Steels

3. Vinir Engineering

4. Lakshmi Precision Screws

5. Ramsays Corporation

6. Siddheshwar Industries

Industrial Machinery

1. PP Rolling Mills

2. Khosla Machines

3. KS Electromech

4. Bharat Box

5. LMW

6. HMT