| GPI | Gamer Performance Index 
| Others |
| GPI | Gaming Partners International
| Others |
| GPI | Gas and Power Investment
| Others |
| GPI | Gas Port Injection
| Others |
| GPI | Gasket Packings Inc
| Others |
| GPI | Gasoline Pumping Injector
| Others |
| GPI | Gearshift Point Indicator
| Others |
| GPI | Gemini Planet Imager
| Others |
| GPI | General Pay Increase
| Others |
| GPI | General Price Increase
| Others |
| GPI | General Purpose Input
| Others |
| GPI | General Purpose Interface
| Others |
| GPI | Generalized Port Identifier
| Others |
| GPI | Generic Pattern Implementation
| Others |
| GPI | Generic Product Indicator
| Others |
| GPI | Genetics and Public Issues Program
| Others |
| GPI | Genetics Policy Institute
| Others |
| GPI | Genuine Progress Index
| Others |
| GPI | Genuine Progress Indicator
| Others |
| GPI | Genuine Progress Indicators
| Others |
| GPI | Georgia Prevention Institute
| Others |
| GPI | Geotechnical Professionals Inc
| Others |
| GPI | German Production Index
| Others |
| GPI | Gimbal Position Indicator
| Others |
| GPI | Girl Power Initiative
| Others |
| GPI | Glass Packaging Institute
| Others |
| GPI | Glide Path Intercept
| Others |
| GPI | Global Payments Initiative
| Others |
| GPI | Global Payments Innovation
| Others |
| GPI | Global Peace Index
| Others |
| GPI | Global Peace Initiative
| Others |
| GPI | Global Performance Improvement
| Others |
| GPI | Global Personal Identifier
| Others |
| GPI | Global Perspective Inventory
| Others |
| GPI | Global Perspectives Inventory
| Others |
| GPI | Global Perspectives, Inc.
| Others |
| GPI | Global Poker Index
| Others |
| GPI | Global Poverty Initiative
| Others |
| GPI | Global Press Institute
| Others |
| GPI | Global Pricing Innovations
| Others |
| GPI | Global Priorities Institute
| Others |
| GPI | Global Procurement Initiative
| Others |
| GPI | Global Promotions, Inc.
| Others |
| GPI | Global Property Inspections
| Others |
| GPI | Global Property Investments
| Others |
| GPI | Globalization Partners International
| Others |
| GPI | Globus Pallidus Interna
| Others |
| GPI | Glotrax Polymers, Inc.
| Others |
| GPI | Glow Plug Igniter
| Others |
| GPI | Glow Plug Indicator
| Others |
| GPI | Glucose phosphate isomerase
| Others |
| GPI | God Pat Isiah
| Others |
| GPI | GOES Precipitation Index
| Others |
| GPI | Golden Palm Investments
| Others |
| GPI | Golf Performance Institute
| Others |
| GPI | Good Previous Input
| Others |
| GPI | Google Play Instant
| Others |
| GPI | Got Payment Issues
| Others |
| GPI | Government Partnership Initiative
| Others |
| GPI | Government Polytechnic Institute (Pakistan)
| Others |
| GPI | Government Preliminary Inspection
| Others |
| GPI | Government Procurement Innovators
| Others |
| GPI | Government Procurement Institute
| Others |
| GPI | Graduate Photographer Institute
| Others |
| GPI | Graduate Preparation Institute
| Others |
| GPI | Grains Per Inch
| Others |
| GPI | Gran Premio d'Italia
| Others |
| GPI | Gran Prix International
| Others |
| GPI | Grand Prix International
| Others |
| GPI | Grants Policy Issuance
| Others |
| GPI | Graphic and Product Identification
| Others |
| GPI | Graphic Packaging International
| Others |
| GPI | Graphics Programming Interface
| Others |
| GPI | Great Plains Industries
| Others |
| GPI | Great Plains Institute
| Others |
| GPI | Great Planes Industries
| Others |
| GPI | Greater Portland Inc
| Others |
| GPI | Green Planet International
| Others |
| GPI | Greenman Pedersen Inc
| Others |
| GPI | Greenpeace International
| Others |
| GPI | Greenwood Partnership Initiative
| Others |
| GPI | Greyhound Pets Inc
| Others |
| GPI | Gross Profit Item
| Others |
| GPI | Gross Progress Indicator
| Others |
| GPI | Gross Property Initiatives
| Others |
| GPI | Ground Position Indicator
| Others |
| GPI | Group 1 Automotive Inc.
| Others |
| GPI | Grupo Parlamentario Independiente
| Others |
| GPI | Guapi, Colombia
| Others |
| GPI | Guarantee Protection Insurance
| Others |
| GPI | Guidance Positioning Instrument
| Others |