TOTAL S.A.
Royal Dutch Shell plc
China Petroleum & Chemical Corp
PetroChina Company Limited
Indian Oil Corporation Limited
JXTG Holdings Inc.
E.ON SE
BP Plc
Eni S.p.A
OAO Gazprom
Electricite de France SA
Engie SA
RWE AG
EnBW Energie Baden-Wuerttenberg AG
Vattenfall AB.
Edison S.p.A.
Enel SpA
The Tokyo Electric Power Company Holdings. Incorporated
Tokyo Gas Co. Ltd.
Ampol Ltd
Origin Energy Limited
BHP
AGL Energy Limited
Suncor Energy Inc.
Husky Energy Inc
Imperial Oil Limited
China Shenhua Energy Co Ltd
China National Petroleum Corporation
Equinor ASA.
Iberdrola
S.A.
Naturgy Energy Group SA
Centrica plc
EDF Energy plc
Scottish and Southern Energy plc
Southern Company Gas
Duke Energy Corporation
NextEra Energy Inc.