| Abbreviation | Definition |
|---|---|
| FNFI | First Niles Financial Inc |
| FNGI | First Network Group Inc |
| FNI | Financial Network Inc |
| FNI | Fisher Nickel inc |
| FNNI | First National of Nebraska Inc |
| FNPC | Fifth Pacific Corporation |
| FNPC | Fifth & Pacific Corporation |
| FNPC | First National Pennsylvania Corporation |
| FNSC | Furukawa Network Solution Corporation |
| FOAI | Fontana Owners Association Inc |
| FOB | Family Owned Business |
| FOB | Family- Owned Business |
| FOCI | Fiber Optic Communications Inc |
| FOCL | First Overseas Capital Ltd |
| FOCO | Franchise Owned Company Operate |
| FOCO | Franchisee Owned Company Operated |
| FOCO | Franchisor Owned Company Operated |
| FOIA | Fund for Open Information and Accountability, Inc. |
| FOLD | Fiero- Owners Location Database |
| FOMC | Federal Operations Management Corporation |