Engineering:

• Andrew Yule & Co.
• Mcnally Bharat Engineering Co.
• Larsen & Toubro
• Flender
• ISGEC

• Kirloskar Group
• Shanti Gears
• Thyssenkrupp India Industries
• Usha Martin
• Voith Tourbo Private

Power

• State Electricity Boards
• Damodar Valley Corporation
• Gujarat Electricity Board

• National Thermal Power Corporation
• Orissa Power Generation Corporation
• Rajasthan Rajya Vidhyut Utpadan Nigam

Steel

• Steel Authority of India
• Essar Steel
• Tata Steel

• J.S.W. Steels
• Vallabh Steel

Cement

• ACC
• JK White Cement
• Lafarge India

• Prism Cement
• Gujarat Ambuja Cement

Mines

• All SAIL Mines
• Hindustan Copper
• All Tata Steel Mines

• Hindustan Zinc
• K.C.M. Zambia

Aluminium

• Bharat Aluminium Company
• Hindalco Industries
• National Aluminium Company

• Indian Oil Corporation