Gas Research Institute 
General Rules of Interpretation 
Global Reporting Initiative 
General Rate Increase 
Graduate Realtor Institute 
Geosystems Research Institute 
Graduate Research Institute 
Air Cargo Center 
Gage Research Institute 
Gear Research Institute 
General Rates Increase 
Geoscience Research Institute 
Geosynthetic Research Institute 
Geosynthetics Research Institute 
Glasgow Royal Infirmary 
Global Request Intake 
Government Research Institute 
Graduate Realtors Institute 
Grant Related Income 
Grassland Research Institute 
Gravure Research Institute 
GRISTEDE'S SLOAN'S, INC. 
Ground Reference Image 
Group Recurrence Indicator 
Group Repetition Interval 
Group Repitition Interval 
IATA code for Central Nebraska Regiona…