Apache Corporation | Covington & Burling LLP | Herbert Smith Freehills | Hess | Marathon Oil | Nexen Inc. Noble Energy Inc. | Thompson & Knight LLP | Van Dyke Energy Company | Veirano Advogados
Aelex | Alliani & Bruzzon Abogados | Barnes & Cascio LLP | Barrows Company | Eni US Operating Co. Inc. EOG Resources | Hunt Oil Company | Machado Meyer Sendacz Opice | Mattos Filho, Veiga Filho, Marrey Jr. E Quiroga Advogdados Miranda Correia Amendoeira & Associados | Palantir Solutions | Petrotrin | Rodriguez Davalos Asociados | Scotia Waterous | White & Case | Wood Mackenzie Ltd.