gallons per minute 
Global Precipitation Measurement 
Graduated Payment Mortgage 
Grant Policy Manual 
Gallon Per Minute 
GENERAL PURPOSE MACROGENERATOR 
Gross Processing Margin 
Generalized Perturbation Method 
Global Precipitation Mission 
Gross Profit Margin 
Gallons Per Mile 
Gallons per Minutes 
General Motors Corporation 
General Page Message 
General Performance Model 
General Procedures Manual 
general processing module 
Generic Processing Module 
Gesellschaft fuer ProjektManagement 
Gestalt Photo Mapper 
GETTY PETROLEUM MARKETING, INC. 
giant pigment melanosomes 
Global Participation Measurement 
Global Precipitation Mearsurement 
Global Priority Mail 
Global Program Management 
Global Project Management 
globus pallidus medialis 
Graphical Process Modeler 
Graphics Presentation Manager