Oil and gas
edit- ADAMA Agricultural Solutions
- Alpek
- Anonima Petroli Italiana
- AOC Holdings
- Ascom Group
- Asmidal
- Aygaz
- Azomureș
- Banagas
- Bashneft
- ButanGas
- Česká Rafinérská
- Compañía Española de Petróleos
- Emfesz
- E.ON Gaz Romania
- GDF Suez Romania
- Grup Servicii Petroliere
- HIP-Petrohemija
- Jugopetrol Kotor
- KazTransOil
- Korea National Oil Corporation
- Oil Refineries
- Oltchim S.A.
- Oscar Downstream
- Panrusgáz
- PCC Group
- Perusahaan Gas Negara
- Petróleos Paraguayos
- Romgaz
- Russneft
- RWE Supply & Trading CZ
- Transpetrol AS
- Ukrnafta
- Ukrtatnafta
- Unipetrol
- Wissol Petroleum
Mining
editPower
edit- Alpiq
- Dniproenergo
- Electrica
- Electrica Transylvania North
- Electrocentrale Bucharest
- Elektroprivreda Bosne i Hercegovine
- Elektroprivreda Srbije
- Enel Russia
- EVN Group
- Hidroelectrica
- Instituto Costarricense de Electricidad
- Kenya Electricity Generating Company
- MVM Group
- NEK EAD
- Nuclearelectrica
- OGK-1
- OGK-2
- OGK-6
- RADET
- Termoelectrica
- Transelectrica
- Unipro
- Verbund
- Vietnam Electricity
- ZESCO