| 1 | FDL | Farmingdale State University | Callsign: Farmingdale State, | USA | AVCODES |
| 2 | FDL | Farmingdale State University | | | ICAO1 |
| 3 | FDL | Fairmont's Dairy Line (FDL 30110-30119 & 30185-30204) (North Western Refrigerator Line Co.) | 7/1935 | | NAKINA |
| 4 | FDL | Fairmont's Dairy Line (FDL 30205-30219) (North American Car Corp.) | 7/1935 | | NAKINA |
| 5 | FDL | Fairmont's Dairy Line (FDL 45015-445029) (General American Tank Car Corp.) | 7/1935 | | NAKINA |
| 6 | FDL | Fairmont's Dairy Line (FDL 30120-30154 & 30220-30224) (American Refrigerator Transit Co.) | 7/1935 | | NAKINA |
| 7 | FDLC | FIDELITY COURIER INC | | | SCAC3 |
| 8 | FDLE | FOND DU LAC EXPRESS INC | | | SCAC4 |
| 9 | FDLH | FUEL DESK LLC, THE | | | SCAC4 |
| 10 | FDLI | FLO-DEL INC | | | SCAC3 |
| 11 | FDLI | FRASER DIRECT LOGISTICS LTD | | | SCAC4 |
| 12 | FDLK | FREDERICK, DALE TRUCKING | | | SCAC3 |
| 13 | FDLK | FILATURE DE LISLE-VERTE LTD | | | SCAC4 |
| 14 | FDLL | FRANCIS DRILLING FLUIDS LTD | | | SCAC4 |
| 15 | FDLM | FIDELITY MOVING & STORAGE INC | | | SCAC3 |
| 16 | FDLO | FREDS LIMO INC | | | SCAC3 |
| 17 | FDLO | FREEDOM 1 LLC | | | SCAC4 |
| 18 | FDLP | FDL TRANSPORT | | | SCAC3 |
| 19 | FDLQ | FIDELITY VAN & STG INC | | | SCAC3 |
| 20 | FDLQ | FAIR DEAL LOGISTICS | | | SCAC4 |
| 21 | FDLT | FRITSCH, D L TRUCKING | | | SCAC3 |
| 22 | FDLT | FRITSCH, DONALD INC | | | SCAC4 |
| 23 | FDLV | FARMLAND DAIRIES LLC | | | SCAC4 |
| 24 | FDLX | Fairmont's Dairy Line (FDLX 30047-30109 & 40585-40590) (Union Refrigerator Transit Co.) | 7/1935 | | NAKINA |
| 25 | FDLY | FRIENDLY DELIVERY CORPORATION | | | SCAC3 |
| 26 | FDLY | FRIENDLY MART INC | | | SCAC4 |
