¶    Adhunik Metaliks Ltd.

Indian Aluminium Co. Ltd. (Belur)

¶    Andhra Pradesh Heavy Machinery &Engineering Ltd.

Inox Leisure Ltd. (Kolkata)

¶    Balco Captive Power Plant (Korba)

Indian Oil Corpn. Ltd (Haldia)

¶    Bharat Heavy Electricals Ltd.

Indian Rare Earths Ltd. (Orissa)

¶    Bhushan Power & Steel Ltd.(W.B. & Orissa)

Kota Thermal Power Station

¶    Blamer Lawrie & Co. Ltd.

Larsen & Toubro Ltd.

¶    Central Ground Water Board(Ranchi)

Lucas Indian Service Ltd.

¶    Central Effluent Treatment Plant

MCC PTA India Corpn. Pvt. Ltd. (Haldia)

¶    Chittaranjan Locomotive Works

National Aluminium Co. Ltd. (NALCO)

 Consolidated Fibres & Chemicals Ltd  (Haldia)

National Thermal Power Corpn. (Korba)

¶    Dept. of Atomic Energy (Kolkata & Secunderabad)

Nipha (India) Pvt. Ltd.

¶    Diesel Locomotive Works

Panipath Thermal Power Station

¶    Durgapur Steel Plant

Port Trust of India(Kolkata & Chennai)

        Gas Authority of India (GAIL)

Rifle Factory (Ichapore)

¶    Gun Carriage Factory (Jabalpur)

Singereni Collieries Co. Ltd.

¶    Haldia Petrochemicals Ltd.

Tata Construction & Projects Ltd.

¶    Hindustan Aeronautics Ltd.(Koraput)

Tata Refractories Ltd. (Orissa)

¶    Hindustan Paper Corp (Chachar Paper Mill - Assam)

U.P. State Electricity Board (Anpara)

¶    HPL Co Generation Ltd.

  I.B. Thermal Power Station O.P.G.C.L. (Orissa)