Customers

Apache
BP
E.on
Essent
EWE
ExxonMobil
Frisia
GASAG - Fühl die Energie
Gasunie
Gas de France
KBB
NEDMAG
NPN
REPSOL
RWE Dea
RWE Gas
Shell
storengy
TAQA
Total
transgas
Trianel
UGS
uniongas
Vermilion
Wintershall