Oil & Gas

Hardy Exploration & Production (India) Inc. – Chennai
Cairn Energy India Pty Ltd – Chennai

Refineries & Petrochemical

Reliance Industries Ltd – Jamnagar, Gujarat

Power

Bhagyanagar Solvent Extractions Pvt Ltd – Karnataka
OPG Energy Pvt Ltd, Gummidipondy, Tamilnadu

Chemical

Orchid Chemicals and Pharmaceuticals Ltd – Chennai.
Anco India Chemicals (P) Ltd - Chennai
Futura Polymers Ltd- Chennai
Roto Polymers and Chemical – Chennai

Steel & Metallurgical

BMM Ispat Ltd- Hospet, Karnataka
Hospet Steel Ltd – Hospet, Karnataka
Hindustan Zinc Ltd – Chittagarh, Rajasthan
Jindal Steel Works – Vijayanagar, Karnataka
Sterlite Industries India Ltd – Tuticorin, Tamilnadu
Southern Iron and Steel Company Limited – Mecheri, Tamilnadu
Madras Aluminium Company Ltd., (MALCO)- Mettur, Tamilnadu
Jhagadia Copper Ltd., Gujarat

Info comm.
Reliance Engineering Associates Pvt. Ltd. – Chennai

Rotary Equipments
Sulzer Pumps India Limited – Chennai
Alagappaa Engineering Company – Chennai.
Spic SMO Limited – Mumbai

Paper

Tamilnadu Newsprint and Paper Limited – Karur, Tamilnadu

Ishikawajima-Harima Heavy Industries Co., Ltd- Japan
Plant Engineering Construction PTE Ltd – Singapore
Perfect Industries WLL, Dubai
CCC- Kuwait.