The following companies are the major competitors of ConocoPhillips: Apache Corporation Chevron Corporation Devon Energy Corporation Exxon Mobil Corporation Frontier Oil Corporation Hess Corporation Kerr-McGee Corporation Murphy Oil Corporation Norsk Hydro ASA Occidental Petroleum Corporation Petroleo Brasileiro S.A. Petroliam Nasional Berhad (PETRONAS) Premcor Inc. Repsol YPF, S.A. Royal Dutch Shell plc Sasol Limited Sunoco, Inc. Swift Energy Company Tesoro Corporation TOTAL S.A. Unocal Corporation Valero Energy Corporation Yukos Oil Company British Petroleum Plc
