| 1 | HN | Proteus Helicopters | ICAO: PTH, Callsign: Proteus, Name changed to INAER Helicopter France. | F | AVCODES |
| 2 | HN | NLM Cityhopper B.V. | ICAO: NLM, Callsign: City, Name changed to KLM Cityhopper B.V. | NL | AVCODES |
| 3 | HN | KLM Cityhopper B.V. | ICAO: NLM, Callsign: City, IATA designator changed to WA / ICAO desigantor changed to KLC. Name changed from NLM Cityhopper B.V. | NL | AVCODES |
| 4 | HN | N.L.M. Dutch Airlines Ltd. (Nederlandse Luchtvaart Maatschappij N.L.M. N.V.) | ICAO: NLM, Name changed to NLM Cityhopper B.V. | NL | AVCODES |
| 5 | HN | Heavylift Cargo Airlines Pty Ltd. | ICAO: HVY, Callsign: Heavy Cargo, | AUS | AVCODES |
| 6 | HN | INAER Helicopter France | ICAO: PTH, Callsign: Proteus, Name changed to Babcock Mission Critical Services France. Name changed from Proteus Helicopters. | F | AVCODES |
| 7 | HN | Babcock Mission Critical Services France | ICAO: PTH, Callsign: Proteus, Name changed from INAER Helicopter France. Previously name changed from Proteus Helicopters. | F | AVCODES |
| 8 | HN | UAB Heston Airlines JSC | ICAO: HST, Callsign: Heston, IATA Prefix code 680 recalled. | LT | AVCODES |
| 9 | HN | Equinoxair S.A.S. | ICAO: EQX, Callsign: Equinox, | EC | AVCODES |
| 10 | HN | Hutchinson and Northern Ry. Co. | 1/1975; added 1/1978; 1/1980; eliminated 7/1987; eliminated 10/1993; 1/1994 (not listed); 7/2000-7/2005 | | NAKINA |
| 11 | HN | Hutchinson and Northern Ry. Co. | 1/75; added 1/78; 1/80; eliminated 7/87; eliminated 10/93; 1/94-7/2000 | | NRHS |
| 12 | HN | HUTCHINSON & NORTHERN RAILWAY COMPANY | | | PWRC |
| 13 | HN | Hutchinson and Northern Railway | | | RSRV |
| 14 | HN | HUTCHINSON AND NORTHERN RAILWAY COM | | | SCAC4 |
| 15 | HNA | Greek Navy (Hellenic Navy) | Callsign: Hellenic Navy, | GR | AVCODES |
| 16 | HNA | Henson Aviation, Inc. | Callsign: Henson, | USA | AVCODES |
| 17 | HNA | Greek Navy | | | ICAO1 |
| 18 | HNA | Henson Airlines | | USA | TRAFFIC |
| 19 | HNAC | HAMANISHI, NANCY | | | SCAC4 |
| 20 | HNAE | HERITAGE RELOCATION SERVICES | | | SCAC4 |
| 21 | HNAL | HANSEN, DICK SALES INC | | | SCAC4 |
| 22 | HNBC | HOUSTON BECNEL INC | | | SCAC4 |
| 23 | HNBD | HARRISON, BILL N DEB | | | SCAC4 |
| 24 | HNBN | HERMAN, BYRON | | | SCAC1 |
| 25 | HNBN | HERMAN, BYRON | | | SCAC4 |
| 26 | HNBO | HORN BROS INC | | | SCAC4 |
| 27 | HNCA | HINCE TRANSPORT | | | SCAC4 |
| 28 | HNCF | HANSEN CUSTOM FARMING | | | SCAC4 |
| 29 | HNCH | HENSCHEN OIL INC | | | SCAC4 |
| 30 | HNCL | HARDIN, CHARLES L TRUCKING INC | | | SCAC4 |
| 31 | HNCM | HAULTRANS.COM | | | SCAC4 |
| 32 | HNCP | HONCOOP TRUCKING LLC | | | SCAC4 |
| 33 | HNCQ | HONEY CELL INC | | | SCAC4 |
| 34 | HNCS | HUNSAKER OIL COMPANY INC | | | SCAC4 |
| 35 | HNCY | HOHENSTEIN & COMPANY INC. | | | SCAC4 |
| 36 | HND | Hinterland Aviation Pty Ltd | IATA: OI, Callsign: Hinterland, | AUS | AVCODES |
| 37 | HNDE | HANDY ENTERPRISES INC | | | SCAC4 |
| 38 | HNDF | HENDERSON FUEL CO | | | SCAC4 |
| 39 | HNDG | HAND TRUCKING COMPANY | | | SCAC4 |
| 40 | HNDI | HENDERSON OIL CO INC | | | SCAC4 |
| 41 | HNDK | HENDERSON TRUCKING | | | SCAC4 |
| 42 | HNDL | HINDERLITER TRUCKING HOME ACRES BUI | | | SCAC4 |
| 43 | HNDM | H N D AND COMPANY | | | SCAC4 |
| 44 | HNDN | HINDS EXPRESS INC | | | SCAC4 |
| 45 | HNDR | HENDERSON OIL CORP | | | SCAC4 |
| 46 | HNDS | HENDERSON, C L TRUCKING INC | | | SCAC4 |
| 47 | HNDY | HANDY TRUCK LINE, INC | | | SCAC4 |
| 48 | HNEJ | HOEPPNER, ERNEST J | | | SCAC4 |
| 49 | HNES | HAINES, RAY TRUCKING LLC | | | SCAC4 |
| 50 | HNFA | HUENEMAN FARMS LC | | | SCAC4 |
| 51 | HNFE | HOMETOWN FUEL LLC | | | SCAC4 |
| 52 | HNFF | HAGENS FASTER FREIGHT | | | SCAC4 |
| 53 | HNFG | HANSON FREIGHT | | | SCAC1 |
| 54 | HNFH | HUNTSINGER FARMS INC | | | SCAC4 |
| 55 | HNFL | HANSEN FREIGHTLINES INC | | | SCAC4 |
| 56 | HNFM | HANNS FARMS LTD | | | SCAC4 |
| 57 | HNFU | H & F HOLDING | | | SCAC4 |
| 58 | HNGA | HOENIG, GENE INC | | | SCAC4 |
| 59 | HNGI | HANGERLOGIC INC | | | SCAC4 |
| 60 | HNGN | HANSEN, GENE & SONS TRUCKING INC | | | SCAC4 |
| 61 | HNGQ | HARDINGER TRANSFER CO INC | | | SCAC4 |
| 62 | HNGR | HUNGAROS FREIGHT SYSTEMS INC | | | SCAC4 |
| 63 | HNGS | H & G TRANSPORTATION SERVICE INC | | | SCAC4 |
| 64 | HNGT | HUNGAROS TRANSPORTISTAS S A DE C V | | | SCAC4 |
| 65 | HNGY | HADDEN, GARY | | | SCAC4 |
| 66 | HNHA | HAT N HAT TRANSPORT LLC | | | SCAC4 |
| 67 | HNHB | HIS N HERS TRUCK BROKER | | | SCAC4 |
| 68 | HNHC | H & H TRUCKING INC | | | SCAC4 |
| 69 | HNHD | H&H DISTRIBUTORS | | | SCAC1 |
| 70 | HNHD | H & H DISTRIBUTORS | | | SCAC4 |
| 71 | HNHK | HNH TRUCKING LLC | | | SCAC4 |
| 72 | HNHN | HOOVES N HOUNDS HORSE TRANSPORT | | | SCAC4 |
| 73 | HNHO | HAUL-N HOLMEN | | | SCAC4 |
| 74 | HNHP | H & H PRODUCE | | | SCAC4 |
| 75 | HNHR | HIS AND HERS TRANSPORTATION INC | | | SCAC4 |
| 76 | HNIF | HENIFF TRANSPORTATION SYSTEMS LLC | | | SCAC4 |
| 77 | HNIQ | HOLDGATES NURSERY INC | | | SCAC4 |
| 78 | HNIW | HANCOCK NATIONWIDE INC | | | SCAC4 |
| 79 | HNJ | Southern Jet Co., Ltd. | Callsign: Southern Jet, | PRC | AVCODES |
| 80 | HNJ | Halmstad - Nässjö Järnväg | 1877 - 1945 | S | svenska-lok.se |
| 81 | HNJ | Halmstad - Nässjö Järnväg | 1877 - 1945 | S | TRAFFIC |
| 82 | HNJF | HEEREN, JEFF TRUCKING INC | | | SCAC4 |
| 83 | HNJW | HUNT, J W | | | SCAC4 |
| 84 | HNKB | HAUENSTEIN TRUCKING INC | | | SCAC4 |
| 85 | HNKC | HANK'S COURIER SERVICE INC | | | SCAC4 |
| 86 | HNKD | HENKEL | | | SCAC4 |
| 87 | HNKE | HINKLE, M TRUCKING LLC | | | SCAC4 |
| 88 | HNKH | HAINES TRUCKING INC | | | SCAC4 |
| 89 | HNKJ | HANSON TRUCKING | | | SCAC4 |
| 90 | HNKK | HANSON TRUCKING | | | SCAC4 |
| 91 | HNKM | HENSON TRUCKING LLC | | | SCAC4 |
| 92 | HNKO | HENRIKSON TRANSPORT INC | | | SCAC4 |
| 93 | HNKP | HAMILTON TRUCK LINES | | | SCAC4 |
| 94 | HNKQ | HUTCHINSON TRUCKING INC | | | SCAC4 |
| 95 | HNKR | HANKE TRUCKING INC | | | SCAC4 |
| 96 | HNKS | HARRISON TRUCKING INC | | | SCAC4 |
| 97 | HNKT | HARRISONS TRUCKING LLC | | | SCAC4 |
| 98 | HNKU | HONEYTAK INTERMODAL LIMITED | | PRC | BIC |
| 99 | HNL | CHC Helicopters Netherlands | Callsign: Mapleleaf, | NL | AVCODES |
| 100 | HNLE | HENNINGS, LANCE TRUCKING | | | SCAC4 |
