| Abbreviation | Definition |
|---|---|
| GPMI | Getty Petroleum Marketing Inc |
| GPN | Global Phone Networks Inc |
| GPN | Great Plains National |
| GPO | Google People Operations |
| GPOC | Graham Partners Operating Company |
| GPOC | Guyana Post Office Corporation |
| GPP | Gas Processing Plant |
| GPPL | Gujarat Pipavav Port Ltd |
| GPR | Gaylord Palms Resort |
| GPRI | Great Plains Radiopharmacy, Incorporated |
| GPS | Generac Power Systems |
| GPSA | Global Placement Services Australia |
| GPSA | Greensboro Plastic Surgical Associates |
| GPSD | Green Parrot Software Development |
| GPT | Gotham Park Towers |
| GPTC | Gary Public Transportation Corporation |
| GPTC | Great Pacific Trading Company |
| GPTL | Global Poker Tours LTD |
| GPTL | Green Penguin Taiwan Ltd |
| GQRS | Global Quality Reporting System |