| 1 | Mecon Ltd. |
|
| 2 | Alfa Laval India Ltd. |
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| 3 | B. A. R. C . |
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| 4 | Bhushan Steel & Strips Ltd. |
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| 5 | Steel Authority of India Ltd. |
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| 6 | HPCL |
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| 7 | Sulzer India Ltd. |
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| 8 | Krupp Industries Ltd. |
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| 9 | Midhani Ltd. |
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| 10 | Paradeep Phosphate Ltd. |
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| 11 | Heavy Engineering corporation Ltd. |
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| 12 | Hindustan Copper Ltd. |
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| 13 | NTPC's (Various Plants) |
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| 14 | United Phosphors Ltd. |
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| 15 | Godavari Sugar Mill Ltd. |
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| 16 | Indian Oil Corporation Ltd. |
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| 17 | Hindustan Paper Corporation Ltd. |