Novatek
E.ON SE
Engie SA
Engie SA
Electricite de France SA
Origin Energy Limited
AGL Energy Limited
EnergyAustralia Pty Ltd
Petroleo Brasileiro SA
Cosan Ltd
Naturgy Energy Group SA
Fortis Inc.
Energir LP
ATCO Gas and Pipelines Ltd
China Petroleum & Chemical Corp
China Gas Holdings Ltd
CNOOC Limited
GAIL (India) Limited
Gujarat Gas Ltd
PT Perusahaan Gas Negara (Persero) Tbk
Total S.E.
PT Pertamina (Persero)
Eni S.p.A
Enel SpA
Edison S.p.A.
Tokyo Gas Co. Ltd.
Daigas Group
Toho Gas Co Ltd
E.ON SE
Eneco
Vattenfall AB.
Enbridge Inc.
OAO Gazprom
Gasum Oy
Sembcorp Industries Ltd
City Gas Pte Ltd
Sasol Limited
Korea Gas Corp
Seoul City Gas Co Ltd
Daesung Energy Co. Ltd.
Endesa SA
Energias de Portugal S.A
Iberdrola
S.A.
British Gas Ltd
EDF Energy Ltd
Sempra Energy
Atmos Energy Corporation
Southern Company Gas
Consumers Energy Coop