APS| Pos. | Empresa | |
|---|---|---|
| 1 | WATTLE PETROLEUM COMPANY SAS | 1 |
| 2 | PETROBRAS INTERNATIONAL BRASPETRO BV - SUCURSAL COLOMBIA | 2 |
| 3 | CNE OIL & GAS SAS | 3 |
| 4 | CANACOL ENERGY COLOMBIA S.A.S | 4 |
| 5 | Pluspetrol Colombia Corporation Sucursal Colombiana | 5 |
| 6 | PETROLEOS SUD AMERICANOS SUCURSAL COLOMBIA | 6 |
| 7 | PCR INVESMENTS S.A. SUCURSAL COLOMBIA | 7 |
| 8 | TEXICAN OIL & GAS S.A. SUCURSAL COLOMBIA | 8 |
| 9 | DRUMMOND ENERGY, INC | 9 |