| 1 | FOP | Fokker Flight Operations | | NL | AVCODES |
| 2 | FOP | Fokker | | | ICAO1 |
| 3 | FOPC | FORMOSA PLASTICS CORP. | | | PWRC |
| 4 | FOPD | FOURTH PRODUCTS TANKERS, INC. | | | SCAC3 |
| 5 | FOPD | FOURTH PRODUCTS TANKERS, INC. | | | SCAC4 |
| 6 | FOPE | FOOD PRODUCTS EXPRESS (DIV OF JONES | | | SCAC3 |
| 7 | FOPI | FORTIS PROPERTIES INC | | | SCAC4 |
| 8 | FOPJ | FOSTER, PEGGY JO | | | SCAC3 |
| 9 | FOPM | FOREST PARK & MAIN STREET WRECKERS | | | SCAC3 |
| 10 | FOPR | FRIENDS OF THE POOR | | | SCAC4 |
| 11 | FOPS | FORMOSA PLASTICS SHIPPING CORPORATI | | | SCAC3 |
| 12 | FOPZ | FORMOSA PLANT | | | PWRC |
