What does NGI stand for?
NGI stands for "Notifiable Gas Installations"
How to abbreviate "Notifiable Gas Installations"?
"Notifiable Gas Installations" can be abbreviated as NGI
What is the meaning of NGI abbreviation?
The meaning of NGI abbreviation is "Notifiable Gas Installations"
What does NGI mean?
NGI as abbreviation means "Notifiable Gas Installations"
