| BIOMAX S.A. |
www.biomax.co |
 |
| BP LATIN AMERICA LLC-SUCURSAL COLOMBIA |
www.bp.com |
|
| CANACOL ENERGY COLOMBIA |
www.canacolenergy.co |
|
| CEPSA COLOMBIA S.A. |
www.cepsa.com |
|
| CHEVRON PETROLEUM COMPANY |
www.chevron.com |
|
| CNOOC PETROLEUM COLOMBIA LIMITED |
www.intl.cnoocltd.com |
|
| DRUMMOND LTD. |
www.drummondltd.com |
|
| EMERALD ENERGY PLC SUCURSAL COLOMBIA |
www.sinochem.com |
|
| EXXONMOBIL EXPLORATION COLOMBIA LIMITED |
www.corporate.exxonmobil.com |
|
| FRONTERA ENERGY |
www.fronteraenergy.ca |
|
| GEOPARK COLOMBIA PN SA SUCURSAL COLOMBIA |
www.geo-park.com |
|
| GRAN TIERRA ENERGY COLOMBIA LTD. |
www.grantierra.com |
|
| HOCOL S.A. |
www.hocol.com.co |
|
| HUPECOL OPERATING CO. LIC. |
www.hupecol.com.co |
|
| IHSA CQ EXPLORACIÓN |
www.ihsa.mx |
|
| LA LUNA E&P S DE RL SUCURSAL COLOMBIA |
|
|
| LEWIS ENERGY COLOMBIA INC. |
www.lewisenergy.com |
|
| MANSAROVAR ENERGY COLOMBIA LTD. |
www.mansarovar.com.co |
|
| MAUREL ET PROM COLOMBIA BV |
www.maureletprom.fr |
|
| NOBLE ENERGY COLOMBIA LIMITED |
www.nblenergy.com |
|
| SIERRACOL ENERGY |
www.sierracolenergy.com |
|
| ORGANIZACIÓN TERPEL SA. |
www.terpel.com |
|
| PAREX RESOURCES COLOMBIA LTD. |
www.parexresources.com.co |
|
| PERENCO COLOMBIA LIMITED |
www.perenco.com |
|
| PETRÓLEOS SUD-AMERICANOS SUCURSAL DE COLOMBIA |
www.petroleossudamericanos.com |
|
| PETROBRAS COLOMBIA COMBUSTIBLES S.A. |
www.petrobras.com.br |
|
| PETROSANTANDER |
www.petrosantander.com |
|
| PUMA ENERGY |
www.pumaenergy.com |
|
| REPSOL EXPLORACIÓN COLOMBIA S.A. |
www.repsol.com |
|
| SHELL COLOMBIA S.A. |
www.shell.com |
|
| STATOIL |
www.equinor.com |
|
| TABASCO OIL COMPANY SUCURSAL COLOMBIA |
www.tabasco-oil.com |
|
| TECPETROL COLOMBIA SAS |
www.tecpetrol.com |
|
| TELPICO COLOMBIA LLC |
www.telpico.com |
|
| TOTAL E&P COLOMBIE SUCURSAL COLOMBIA |
www.total.co |
|
| TRAFIGURA PETROLEUM COLOMBIA S.A.S |
www.trafigura.com |
|
| WORLD FUEL SERVICES COMPANY LLC SUCURSAL COLOMBIA |
www.wfscorp.com |
|
| PETRÓLEOS DEL MILENIO S.A.S |
www.petromil.com |
|
