[ A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | Y | Z ]

Palliser Energy Inc. Petroz NL
PANACO, Inc. Petsec Energy Ltd.
PanCanadian Petroleum Phillips Petroleum Company
Pease Oil and Gas Company Phoenix Resources LLC
Pennzoil Company Pioneer Oil and Gas
Peregrine Oil and Gas Limited Place Resources Corporation
Petro-Canada PLEXUS Energy Ltd.
PetroFina Poco Petroleums Ltd.
Petr?eo Brasileiro S.A. (PETROBRAS) Prima Energy Corporation
Petr?eos de Venezuela S.A. (PDVSA) PrimeWest Energy Trust
Petroleum Authority of Thailand Primo Resources Ltd.
Petroleum Development Corporation Production Gathering Company, LLC
Petroliam Nasional Berhad (PETRONAS)