Suncor Energy Inc.
Husky Energy Inc
Imperial Oil Limited
Total S.E.
Electricite de France SA
Engie SA
E.ON SE
EnBW Energie Baden-Wuerttenberg AG
Vattenfall AB.
Eni S.p.A
Edison S.p.A.
Enel SpA
ENEOS Holdings Inc.
The Tokyo Electric Power Company Holdings. Incorporated
Tokyo Gas Co. Ltd.
OAO Gazprom
OJSC Rosneft Oil Company
Lukoil Oil Co.
BP Plc
Centrica plc
EDF Energy Holdings Ltd
RWE AG
SSE Plc.
Exxon Mobil Corporation
Southern Company Gas
Duke Energy Corporation
NextEra Energy Inc.