BP p.l.c.
Chevron Corporation
China Petrochemical Corporation
Exxon Mobil Corporation
GAZPROMNEFT MARINE BUNKER LTD
Indian Oil Corporation Ltd
PetroChina Company Limited
Petrobras
Royal Dutch Shell Plc
Total
CHINA COSCO SHIPPING
Clipper Oil
Marquard & Bahls
Peninsula Petroleum Limited
SK Shipping Co. Ltd.