| Sr No. |
Company Name |
| 1 |
Ericsson India Pvt. Ltd |
| 2 |
Reliance Telecom Ltd. |
| 3 |
Hutchison Essar South Limited |
| 4 |
Hutchison Telecom East Limited |
| 5 |
Tata Teleservices Ltd |
| 6 |
Bharti Tele-Ventures Limited |
| 7 |
Bharti Cellular Limited |
| 8 |
Department of Telecom, Bihar |
| 9 |
Department of Telecom, Orissa |
| 10 |
Department of Telecom, West Bengal |
| 11 |
West Bengal Pollution Control Board |
| 12 |
Airports Authority of India, Bhubaneswar |
| 13 |
Airports Authority of India, Silchar |
| 14 |
Airports Authority of India, Chennai |
| 15 |
O. N. G. C., Sibsagar, Assam |
| 16 |
Indian Oil Corporation Ltd. |
| 17 |
Eastern Coal Fields Ltd. |
| 18 |
Larsen & Toubro Ltd. |
| 19 |
Hindustan Lever Ltd. |
| 20 |
Duncans Industries Ltd. |
|
