.

ESPAÑA	Nedgia Nortegas Enagas Redexis Elecnor Engie Dominion TSK
EUROPA	CHART Ferex Inteergas
ÁFRICA	Sonatrach ENGTP CAMEG S.P.A.
AMERICA	Gas Natural Mexico Gas Natural Brasil Gas Natural Argentina

 

MEXICO

• Gas Natural México
• Metrogas

CHINA

• Xian Natural Gas