Hooghly River Bridge Commissioners
Kolkata Port Trust
Govt. Departments of Tripura
Govt. Departments of West Bengal
West Bengal Fisheries Department
West Bengal Tourisim Development Corporation
Benfish
Allahabad Bank, Kolkata
United Bank of India, Kolkata
United Commercial Bank, Kolkata
Reserve Bank of India Kolkata & Chennai
University of Kolkata
University of Chennai
Indian Statistical Institute, Kolkata
Government of India Mint at Alipore, Kolkata
Telephone Exchange, Kolkata
New Secretariat Buildings, Kolkata
TATA Centre, Kolkata
CSIR Building, Kolkata
Mumbai Docks
Coachin Docks
Paradip Docks
Haldia Docks

Indian Railways
Rail Vikash Nigam Limited
Kolkata Metro Rail
Mumbai Metro Rail
Delhi Metro Rail Corporation
Sealdah New Station, Kolkata

Namrup Refineries
Barauni Refineries

Cossipore Thermal Power
Bandel
Mulajore
Chandrapura
Harduaganj

Indian Iron & Steel Co. Ltd.
Durgapur Steel Plant
Jamshedpur Steel Plant
Bhilai Steel Plant
Rourkela

Public Works Department (PWD)
Central Public Works Department (CPWD)

Sindri Fertiliser Plant

Heavy Engg. Corporation, Ranchi
Heavy Electricals, Bhopal
AVB - Durgapur