Oil & Gas
Bharat Petroleum Corp. Ltd.
Hindustan Petroleum Corp. Ltd.
Gas Authority of India Ltd.
Indian Oil Corp. Ltd.
Engineering Procurement & Construction
Larsen & Toubro
Oil & Natural Gas Commission
Punj Llyod
Metal
Enron Steel
Hindalco
National Aluminium
Steel Authority of India
Tata Iron & Steel Co.
Process / Food
Chambal Fertilizers
Glaxo Smithkline
Hindustan Levers
Nestle
Reliance Industries
Power
Bharat Heavy Electricals Ltd.
Bhaba Atomic Research Center
National Thermal Power Corp. Ltd.
National Hydro Power Corp. Ltd.