| 1 | FIN | Finnair Oyj | IATA: AY, Callsign: Finnair, IATA Prefix: 105, | FIN | AVCODES |
| 2 | FIN | Finnair | IATA: AY | | ICAO1 |
| 3 | FIN | Finnair | | FIN | TRAFFIC |
| 4 | FINA | Finnish Army | | FIN | TRAFFIC |
| 5 | FINB | FINKBINER TRANSFER & STORAGE CO | | | SCAC3 |
| 6 | FINB | FLETES INFINITO | | | SCAC4 |
| 7 | FINC | FINLAY, CLAYTON A | | | SCAC3 |
| 8 | FINC | FREIGHTMASTERS INC | | | SCAC4 |
| 9 | FIND | FINDER, DONALD E | | | SCAC3 |
| 10 | FIND | FRINCO INDUSTRIAL | | | SCAC4 |
| 11 | FINE | FREIGHTLAND INC | | | SCAC4 |
| 12 | FINF | FLOORBALLPRO INC | | | SCAC4 |
| 13 | FINF | Financial Found a.s. | | CZ | VKM |
| 14 | FING | FINKENBINDER, GLENN | | | SCAC3 |
| 15 | FINJ | FINK, JOHN TRUCKING INC | | | SCAC3 |
| 16 | FINJ | FINK TRUCKING INC | | | SCAC4 |
| 17 | FINL | FINCH, LEWIS D | | | SCAC3 |
| 18 | FINL | FINLEY TRANSPORT LTD | | | SCAC4 |
| 19 | FINM | FINKEL, M, & SON | | | SCAC3 |
| 20 | FINM | FINMAC LUMBER LIMITED | | | SCAC4 |
| 21 | FINNG | FGG Finngas GmbH sivuliike Suomessa | | FI | VKM |
| 22 | FINO | FINNO, DONALD TRUCKING INC | | | SCAC4 |
| 23 | FINQ | FINELINE MOLD & DESIGN LTD | | | SCAC4 |
| 24 | FINR | FINELLI, DANIEL R | | | SCAC3 |
| 25 | FINS | FILLIPPO AND SONS INC | | | SCAC3 |
| 26 | FINU | *(INTU) FINN LINES | | | PWRC |
| 27 | FINU | *INTERPOOL LIMITED | | | PWRC |
| 28 | FINU | Finn Lines (Interpool) | | | RSRV |
| 29 | FINU | OY FINNLINES LTD | | | SCAC3 |
| 30 | FINU | UES INTERMODAL AG | | | SCAC4 |
| 31 | FINV | FREDWIL INC | | | SCAC4 |
| 32 | FINW | FINNEGANS WAREHOUSE CORP | | | SCAC3 |
| 33 | FINX | Total Petrochemicals USA, Inc. | added 4/2006 | | NAKINA |
| 34 | FINX | Trinity Rail Management, Inc. | added 4/1998; 7/2000-7/2005; eliminated 4/2006 | | NAKINA |
| 35 | FINX | Finley Co. Inc. | added 1/1954; 7/1954-10/1957; eliminated 1/1961; 4/1961; added 4/1963; 7/1965-10/1966; eliminated 10/1967 | | NAKINA |
| 36 | FINX | *FINLEY CO., INC. | | | PWRC |
| 37 | FINX | *TRINITY RAIL MANAGEMENT INC. | | | PWRC |
| 38 | FINX | +TOTAL PETROCHEMICALS USA, INC. | | | PWRC |
| 39 | FINX | Finley Co. (Trinity Rail Management) | | | RSRV |
| 40 | FINX | FINLEY CO INC | | | SCAC3 |
| 41 | FINX | TOTAL PETROCHEMICALS USA INC | | | SCAC4 |
| 42 | FINY | FIFO INCORPORATED | | | SCAC4 |
