| 1 | ADVANCE DRILLING SERVICES PRIVATE LIMITED - U11201AS2016PTC017671 |
| 2 | ASSAM EQUIPMENT & ENERGY SERVICES PRIVATE LIMITED - U11201AS2007PTC008369 |
| 3 | ASSAM GAS COMPANY LTD - U11101AS1962SGC001184 |
| 4 | ASSAM HYDRO- CARBON & ENERGY COMPANY LIMITED - U11101AS2006SGC008235 |
| 5 | ASSAM OIL AND GAS LIMITED - U11201AS1992PLC008022 |
| 6 | BIJ DRILLING & CONSULTANTS PRIVATE LIMITED - U11200AS2015PTC011993 |
| 7 | BRAHMAPUTRA CRACKER AND POLYMER LIMITED - U11101AS2007GOI008290 |
| 8 | BRAHMAPUTRA GASES PVT LTD. - U11101AS1989PTC003284 |
| 9 | DDR ENERGY PRIVATE LIMITED - U11100AS2012PTC011161 |
| 10 | EAST END PETRO CHEMICALS PVT LTD - U11101AS1991PTC003567 |
| 11 | FELPACT PVT LTD - U11101AS1982PTC001952 |
| 12 | GLOBAL OIL FIELD SERVICES PRIVATE LIMITED - U11201AS2007PTC008343 |
| 13 | GLOSOL ENERGY INDIA PRIVATE LIMITED - U11100AS2011PTC010351 |
| 14 | GUPTA MINERALS I PRIVATE LIMITED - U11101AS1996PTC004922 |
| 15 | HILLMEN INTERNATIONAL PVT LTD - U11101AS1997PTC005285 |
| 16 | KHIRABDHI OIL FIELD SERVICES PRIVATE LIM ITED - U11201AS2003PTC007093 |
| 17 | NORTH EAST UPSTREAM EXPLORATION COMPANY PRIVATE LIMITED - U11101AS1999PTC005979 |
| 18 | NUMALIGARH REFINERY LTD - U11202AS1993GOI003893 |
| 19 | OIL INDIA LIMITED - L11101AS1959GOI001148 |
| 20 | PATKAI CHEMICALS PVT LTD. - U11202AS1992PTC003787 |
| 21 | PATKAI PETRO PRIVATE LIMITED - U11202AS2017PTC017727 |
| 22 | PIONEER PETRO DRILL SERVICES PVT LTD - U11202AS1994PTC004252 |
| 23 | PRIDE INTERNATIONAL INDIA PVT LTD - U11202AS1994PTC004257 |
| 24 | PURVASHI OIL AND GAS LIMITED - U11201AS1997PLC005250 |
| 25 | RAINBOW OIL TECH PVT LTD - U11202AS1994PTC004218 |