• Reliance Petroleum Ltd, Jamnagar.
• Bharat Petroleum Corporation Ltd.
• Deepak Fertilizers & Petrochemicals Ltd.
• Gas Authority of India Ltd.
• Hindustan Petroleum Corporation Ltd.
• Indo German Petrochemicals Ltd.
• Indian Petrochemicals Corporation.
• Madras Refinery Ltd.
• National Organic Chemicals Ind. Ltd.
• Oil & Natural Gas Corporation.
• Pushpa Polymers Ltd.
• Indian Oil corporation Ltd.
• Qatar Petroleum.
• Mangalore Chemical & Fertilizers Ltd.

EPC Contractor

• Artson Engineering Ltd.
• Hyundai Engg. & Const. Co. Ltd.
• Hyundai Heavy Ind. Ltd.
• Humphrey’s & Glasgow’s.
• Larsen & Toubro.
• Petron Engineering & Construction Ltd.
• Neo Structo Construction Ltd.
• Samsung Engineering
• SPIC JEL Engineering Const Ltd.

OEM’s

• Chicago Pneumatic.
• Blue Star Ltd.
• Wartsila NSD.
• Cooling People.
• Grauer & Weil (I) Ltd.
• Paharpur Marley Cooling Towers
• Trane Airconditioning.
• Kirloskar Mc`Quay Ltd.
• Alstom Power Boilers Ltd.

Steel

• Essar Steel Ltd.
• Ispat Industries Ltd.
• Mahindra Ugine steel Ltd.

Nuclear

• Nuclear Power Corporation of India. Ltd.