1. ORDINANCE FACTORIES (MES)
2. CENTRAL RAILWAY
3. WESTRN RAILWAY
4. NORTHERN RAIWAY
5. SOUTERN RAILAY
6. NORTH EASTERN RAILWAY
7. D.G.S. & D (NEW DELHI)
8. D.G.S. & D (BOMBAY)
9. D.G.S. & D (MADRAS)
10.NATIONAL THERMAL POWER CORPORATION
11.RIHAND SUPER THERMAL POWER CORPORATION
12.VINDAYACHAL SUPER THERMAL POWER CORPORATION
13.BHILAI STEEL PLANT
14.ROURKELA STEEL PLANT
15.SALEM STEEL PLANT
16.VIZAG STEEL PLANT
17.OIL & NATURAL GAS COMMISSION (ONGC)
18.INDIAN OIL CORPORATION LTD
19.NATIONAL DAIRY DEVELOPMENT BOARD
20.AIR INDIA
21.C I D C O
22.BHARAT GOLD MINES (K G F)
23.KERALA MINERALS & METALS LTD
24.WESTERN COLD FIELDS
25.CENTRAL COAL FIELDS
26.KUDREMUKH IRON & ORE CO LTD
27.TAMILNADU CEMENT CO
28.HINDUSTAN AERONAUTICS
29.HINDUSTAN MACHINE TOOLS
30.BHARAT EARTH MOVERS LTD
31.BHARAT HEAVY ELECTRICALS LTD
32.BHARAT ELECTRONICS LTD
33.NEYVELI LIGNITE CORPORATION LTD
34.T N P L
35.F A C T (COCHIN)
36.P & T DEPARTMENT – SECUNDRABAD
37.ANDHRA PRADESH HEALTH & MEDICAL HOSPITALS INFRASTRUCTURE
DEVELOPMENT CORPORATION.
38.COCHIN SHIPYARD LIMITED.
39.KERALA MINERALS AND METALS LIMITED.
40.VISVESVARYA IRON AND STEELS LIMITED – BHADRAVATI
41.HINDUSTAN NEWSPRINTS & PAPERS LIMITED.
42.DEPT. OF ATOMIC ENERGY.
43.DEPT. OF SPACE.
