| Company |
Country |
| Sunlink Petroleum Limited |
Nigeria |
| Solgas Petroleum Limited |
Nigeria |
| Sahara Energy Field |
Nigeria |
| Pan Ocean Oil Corp. (Nigeria) |
Nigeria |
| Oriental Energy Resource |
Nigeria |
| Oilworld Limited |
Nigeria |
| Northeast Petroleum |
Nigeria |
| Nigerian Petroleum Development (NPDC) |
Nigeria |
| Millinium Oil & Gas Company |
Nigeria |
| Famfa Oil Limited |
Nigeria |
