What does IOR stand for?
IOR stands for "Institute of Roofing"
How to abbreviate "Institute of Roofing"?
"Institute of Roofing" can be abbreviated as IOR
What is the meaning of IOR abbreviation?
The meaning of IOR abbreviation is "Institute of Roofing"
What does IOR mean?
IOR as abbreviation means "Institute of Roofing"
