Bharat Petroleum Corporation Limited
Calumet Specialty Products Partners L.P. China Petroleum & Chemical Corporation
ExxonMobil Corporation
H&R GmbH & Co. KGaA
Nynas AB
Petro-Canada Lubricants Inc. (Hollyfrontier Corporation)
Renkert Oil Inc. Royal Dutch Shell Plc
Sasol Limited
Savita Oil Technologies Limited and Total SE