• ACC cement ltd.
  • Andhra Sugar Ltd.
  • Aquatech Asia (Pvt.) ltd.
  • Atul Ltd.
  • Aditya Birla Nuco Ltd, Veraval(A Unit of Indian Rayon)
  • Aditya Birla Chemicals Ltd., Thailand
  • Birla Cellulosic Ltd.
  • Bihar Caustic & Chemicals Ltd.
  • BASF Ltd, Manglore
  • BMM Ispat Ltd.
  • Chemplast Sanmar Ltd.
  • Century Rayon Ltd.
  • Century Pulp & Paper Ltd.
  • Coromandel Fertilisers Ltd.
  • DCW Ltd.
  • Doshi Ion Exchange Ltd.
  • Essar Steel Ltd, Hazira
  • Flsmidth Minerals Pvt. Ltd.
  • Gas Authority India Ltd.
  • Grasim Industries Ltd.
  • Gujarat Alkalies & Chemicals Ltd. Baroda.
  • Gujarat State Fertilizers & Chemicals Ltd.
  • Gujarat Ambuja Cements Ltd.
  • Gujarat Paguthan Energy Corpn. Pvt. Ltd.
  • Gujarat Mineral Development Corporation Ltd.
  • Godavari Fertilizers & Chemicals Ltd.
  • Gujarat Narmada Valley Fertlisers Company Ltd.
  • Hindustan Dorr Oliver Lever Ltd., Mumbai
  • Hindustan Zinc, Udaipur.
  • Hindustan Petroleum Corp. Ltd., Vizag., Mahul
  • Heubach Colour Pvt Ltd.
  • Hikal Chemicals Ltd, Taloja.
  • Hindalco Industries Ltd., Dahej
  • Hygrade- Pallets Ltd.
  • IB Thermal Power Corporation ( A Govt Of India Undertaking) AES group.
  • IFFCO, Kandla, Kalol, Paradeep, Anola
  • Indian Petrochemicals Corporation Ltd.
  • Indian Oil Corporation Ltd.
  • India Cements Ltd.
  • Indian Organic Chemicals Ltd.
  • J K Paper Ltd.
  • Jsw Steel Ltd. , Bellary,
  • Jindal Stainless Steel Ltd.
  • KRIBHCO, Hazira.
  • Kilburn Chemicals Ltd.
  • Kanoria Chemicals Ltd.
  • Larsen & Toubro Ltd. ECC Group. Chennai
  • Larsen & Toubro Ltd. EBG Group. Mumbai
  • Madras Cement Ltd.
  • Manglore Chemical & Fertilisers Ltd.
  • Manglore Refinery & Petrochemicals Ltd. Manglore.
  • Nirma Limited, Bhavnagar
  • Nuclear Power Corporation.
  • National Thermal Power Corporation.
  • National ALuminium Company Ltd.
  • Pidilite Industries Ltd.
  • Prisam Cement
  • Reliance Industries Ltd. Patalganga, Jamnagar, Hazira.
  • Saurashtra Chemicals Ltd.
  • South Asea Tyres Ltd, Aurangabad.
  • Southern Iron & Steel Company Ltd.
  • Sterlite Industries Ltd., Silvasa, Tuticorin
  • Sudarshan Chemical Industries Ltd.
  • Sirpur Paper mills
  • Solaris Chemtech Ltd.
  • United Phosphorous Ltd.
  • Ultratech Cement Ltd.
  • Tide Water Oil Company India Ltd.
  • Vedanta Group
  • Welspun Gujarat Sthal Rohren Ltd.
  • Yokogawa India Ltd.