Cement Industry

1. Ambuja Cement Group
2. ACC Cement Group
3. UltraTech Cement Group
4. Grasim Cement Group
5. Dalmia Cement Group
6. India Cement Group
7. Shree Cement Group
8. Birla Cement Group

Construction

1. Valecha Engineering Pvt Ltd.,
2. Simplex Infrastructure Ltd.,
3. J.Kumar Infraproject Ltd.,
4. L&T ECC

Mines

1. Singareni Collieries Co. Ltd.,
2. Salgaocar Mining Industries Pvt Ltd.,
3. Sainik Mining & Allied Services Ltd.,
4. Tisco Ltd.,
5. Hindalco Ltd.,
6. Orissa Stevedors Ltd.,(OSL)

Granite & Limestone Quarries

1. Gem Granites Pvt Ltd.,
2. Associated Soap Stone Dist.Co. Ltd.,
3. Jain Marbles Ltd.,
4. PRP Granites Ltd.,
5. Bannaari Amman Sugars Ltd.,

OEMs

1. Atlas Copco India Ltd.,
2. Bharat Earth Movers Ltd., (BEML)
3. Volvo India Ltd.,
4. L & T Kansabahal
5. Telcon Construction Equipment Co. Ltd.,
6. Doosan International India Pvt. Ltd.,

Industrial

1. Lloyds Steel Ltd.,
2. The Reactive Metals India Ltd.,
3. ITC Paper Mills
4. Barakath Engineering Industry Ltd.,
5. Murali Agro Paper Works
6. Durgambhika Metal Industries
7. Jindal Power and Steel Ltd.,

RMC

1. Birla RMC, Bangalore, Karnataka
2. BIRLA RMC, Hyderabad, Andhra

Power & Steel

1. Karnataka Power Corp. Ltd.,
2. Jindal Steel & Power Ltd.,