Andhra Pradesh Power Generation Corporation Limited

India

Adani Group

India

Ashok Leyland Ltd.

India

Balmer Lawrie and Company Limited 

India

Bengal Chemicals and Pharmaceuticals Limited (BPCL) 

India

Bhabha Atomic Research Centre (BARC)

India

Bharat Heavy Electricals Ltd. (BHEL)

India

Bharat Coking Coal Ltd. 

India

Bharat Dynamics Ltd.

India

Bharat Earth Movers Ltd.

India

Bharat Electronics Ltd 

India

Bharat Refractories Limited (BRL) 

India

Bharat Petroleum Corporation 

India

Bharat Heavy Plate and Vessels Ltd. 

India

Chennai Petroleum Corporation

India

Cochin (Kochi) Refineries Ltd.

India

Cochin Shipyard 

India

Century Pulp & Paper

India

Department of Atomic Energy (DAE)

India

Defence Research and Development Organisation (DRDO)

India

Digboi Refinery

India

Danieli Engineering Indi Limited

India

ESSAR

India

Engineering Projects (India) Ltd.

India

Engineers India Ltd. 

India

Forbes Marshall

India

FACT Engineering and Design Organisation (FEDO) 

India

Garden Reach Ship Builders & Engineers Ltd 

India

General Motors India Pvt. Limited

India

Gas Authority of India limited (GAIL)

India

Goa Shipyard Limited

India

Heavy Engieering Corporation 

India

Hindustan Aeronautics Ltd.

India

Hindustan Zinc Ltd.

India

Hindustan Motor Ltd.

India

Hindalco Industries Ltd

India

Honda Motor & Scooter India Pvt. Ltd.

India

Hindustan Lever Limited

India

Hindustan Petroleum Corporation Ltd.

India

Hindustan Shipyard Limited

India

HMT Limited 

India

Indian Oil Corporation (IOC)

India

Indian Space Research organisation (ISRO)

India

Indian Oil Blending Ltd.

India

IBP Co. Ltd. 

India

Indian Iron and Steel Company 

India

Indian Rare Earths Limited (IRE) 

India

Indian Ordnance Factories Board

India

Kochi Refineries Limited 

India

Koldam Hydro Power Project, NTPC 

India

Konkan Railway Corporation (KRC) 

India

Kudremukh Iron Ore company 

India

L & T Ltd

India

Mazagon Docks Limited

India

MECON Limited

India

Madras Fertilizers Ltd. 

India

Maruthi Udyog Ltd. 

India

National Thermal Power Corporation (NTPC)

India

Nuclear Power Corporation of India (NPCIL)

India

National Fertilizers Limited 

India

National Hydroelectric Power Corporation (NHPC)

India

Naval Dackyard

India

Nuclear Fuel Complex (NFC)

India

N.N Shipbuilding And Engineering Pvt.Ltd

India

Oil & Gas Plant Engineer (I) Pvt. Ltd.

India

ONGC Videsh Ltd.

India

Oil and Natural Gas Corporation(ONGC)

India

Pawan Hans Helicopters Ltd. (PHHL)

India

Paradeep Phosphate Limited

India

Projects and Development India Ltd

India

Pfizer Ltd.

India

Premier LPG Ltd.

India

Powergrid Corporation of India

India

Praga Tools Limited 

India

Rajasthan Atomic Power Station / Project 

India

Rashtriya Chemicals & Fertilizers Limited

India

Rana Sugars Ltd

India

Ramky Infrastructure Ltd

India

Shipping Corporation of India

India

Steel Authority of India Ltd (SAIL)

India

Sponge Iron India Limited

India

Star Paper Mills Ltd

India

Taikisha Engineering (I) Ltd

India

Triveni Engineering & Industries Ltd

India

Tehri Hydro Development Corporation

India

Tata Institute Of Fundamental Research

India

Uranium Corporation of India

India

Uhde India Limited

India

Vizag Steel Plant

India

Arco

Alaska

ABB

Norway

Aramco

Saudi Arabia

Air Products & Chemicals Inc.

U.S.A

Allianz AG

Germany

AMD

USA

Agnico-Eagle Mines Ltd.

Canada

Arcelor SA

Luxembourg

Asahi Breweries Ltd.

Japan

BP

Great Britain

Bachtel

Great Britain

Baosteel Group

China

Boeing Co

U.A.E

Bayer AG

Germany

Bunge Ltd

U.S.A

BASF

Germany

ConocoPhillips

U.S

Copesul

Brazil

Cargill Inc

U.S.A

Cunado S.A

Spain

Citgo

U.A.E

Cadbury plc

U.K

Chevron

California

Daimler AG

Germany

Exxon Mobil

Texas

Esso

Malaysia

Électricité de France

France

Formosa Plastics Crop

Taiwan

Gmbh Reffinerie

Germany

Glencore International AG

Switzerland

GDF Suez

France

Heineken NV.

Netherlands

Husky Energy

Canada

Honeywell International

New Jersey

Iberdrola

Spain

Israel Corp

Israel

ING Group

Netherlands

KHIC

Korea

Laker

Canada

LyondellBasell Industries

Netherlands

Mobil Oil

Indonesia

Mol Hungarian Oil & Gas

Hungary

Murphy Oil

Arkansas

Merck & Co. Inc.

New Jersey

Metalúrgica Gerdau

Brazil

Marquard & Bahls

Hamburg

NOC

Canada

Noble Group

Hong Kong

NPCC

U.A.E

OOISS

Russia

Petroplus Holdings

Switzerland

PKN Orlen Group

Poland

PDO

Oman

Petrolera S.A

Venezuela

Perstorp Regeno

Brazil

PKN Orlen Group

Poland

Plains All American Pipeline

Texas

Randstad Holding

Netherlands

Royal Dutch Shell

Netherlands

Rio Tinto Group

Britain

Sino steel

China

Shell

Malaysia

Suncor Energy

Canada

Skanska

Sweden

Shimizu

Japan

Sinopec

China

ThyssenKrupp Stahl

Germany

Texaco

U.S.A

Technip

Thailand

Toyota Motor

Japan

Total SA

France

United States Steel

USA

Ultramar Inc

USA

Woodside Offshore Petroleum

Australia

Wesfarmers

Australia