 |
 |
| |
|
 |
 |
| |
|
 |
 |
| |
|
 |
Sahara Energy Resources Limited |
| |
|
 |
Obat Petroleum
Nigeria Limited |
| |
|
| Mobil Producing Nigeria Unlimited |
Chase Petroleum
Ghana Limited |
| Elf Petroleum Nigeria Limited
(Total Group) |
Northwest Petroleum
Nigeria Limited |
Addax Petroleum Development
Nigeria Limited
|
Romi Oil and Gas Limited |
Pan Ocean Oil Corporation
Nigeria Limited
|
Lister Oil
Nigeria Limited |
Nigerian Agip Oil Company Limited & the Eni Group
|
Mobil Oil
Nigeria Plc |
| NPDC |
Conoil Nigeria Plc |
NDPR
|
PPMC, PHRC, WRPC, KRPC |
| |
|
| |
|