What does OIS stand for?
OIS stands for "Ordnance Information Sysyen"
How to abbreviate "Ordnance Information Sysyen"?
"Ordnance Information Sysyen" can be abbreviated as OIS
What is the meaning of OIS abbreviation?
The meaning of OIS abbreviation is "Ordnance Information Sysyen"
What does OIS mean?
OIS as abbreviation means "Ordnance Information Sysyen"
