Post & Telegraph department
Airport authority of India
Shipping corporation of India
    Dredging corporation of India
    Grammen sanchar Ltd.
    Standard charterd Bank
State Bank of India
    Fort William
    Indian Railways
    Airforce Stations
    Rajputana Rifles
    Police Head Quarters
    Brand Alloys Ltd
    Infinity Electric Ltd.
    Samsung India Ltd.
Hindustan Coppers Ltd.
    R.N.Tagore Intl.Institute of Cardiac Sciece
National Institute of orthopedically handicapped
    Sonali Bank, Bangladesh
    Grammen Co-oprative Bank
    All Backward Class Relieve & dev. Mission
    Tata Tele- services Ltd.
    McNally Bharat Engineering Ltd.
    Electronic Corporation of India Ltd.
    Institute Of Business Management
    Housing Directorate
    India Trade Promotion Organisation
    Mython Alloys Ltd.
    Thakupukur Cancer Hospital
    Dalmia Tea Plantation
    United Bank Of India
    Corporation Bank
    State Bank of Indore
Embassy of Zambia + 10 more
And more then 10,000 big, small units + residences