1.GUN & SHELL FACTORY (COSSIPORE).
2.RIFLE FACTORY (ICHAPORE).
3.METAL & STEEL FACTORY (ICHAPORE).
4.ORDNANCE FACTORY (DUM DUM).
5.ORDNANCE FACTORY (AMBAJARI NAGPUR).
6.INDIAN AIRLINES (DUM DUM).
7.CHITTRANJAN LOCOMOTIVE WORKS (HOWRAH).
8.WEST BENGAL STATE ELECTRICITY DISTRIBTION CO LTD (ASANSOL).
9.DURGAPUR STEEL PLANT.
10.CENTRAL INSTITUTE OF PLASTIC TECHNOLOGY.(GUWAHATI).
11.URANIUM CORPORATION OF INDIA LTD.
12.HALDIA DOCK COMPLEX.
13.DANKUNI COAL COMPLEX.
14.DURGAPUR PROJECTS.
15.STEEL AUTHORITY OF INDIA LTD.
16.INDIAN OIL CO. OF INDIA LTD.
17.ALSTOM PROJECTS.