OAO Gazprom
PetroChina Company Limited
Novatek
E.ON SE
Tokyo Gas Co. Ltd.
Daigas Group
Toho Gas Co Ltd
British Gas Ltd
E.ON UK Plc
EDF Energy Ltd
Sempra Energy
Atmos Energy Corporation
Southern Company Gas
Consumers Energy Coop
Engie SA
TotalEnergies S.E.
Electricite de France SA