What does NNGSo stand for?
NNGSo stands for "National Natural Gas System Operator"
How to abbreviate "National Natural Gas System Operator"?
"National Natural Gas System Operator" can be abbreviated as NNGSo
What is the meaning of NNGSo abbreviation?
The meaning of NNGSo abbreviation is "National Natural Gas System Operator"
What does NNGSo mean?
NNGSo as abbreviation means "National Natural Gas System Operator"
