| 1 | HE | Hollis & Eastern R.R. Co. | 1/1975-7/2005 | NAKINA | |
| 2 | HE | Hartford Eastern Ry. | 7/1923-7/1932 | NAKINA | |
| 3 | HE | Hollis & Eastern R.R. Co. | 1/75-7/2000 | NRHS | |
| 4 | HE | Historische Eisenbahn e.V. | Frankfurt | D | privat-bahn.de |
| 5 | HE | *HARTFORD EASTERN RWY. | PWRC | ||
| 6 | HE | +HOLLIS & EASTERN RAILROAD | PWRC | ||
| 7 | HE | Hollis and Eastern Railroad | RSRV | ||
| 8 | HE | HOLLIS & EASTERN R R CO | SCAC4 | ||
| 9 | HE | Hollis & Eastern R.R. Co. | USA | TRAFFIC | |
| 10 | HE | Hugo Ehlers GmbH & Co Kg | DE | VKM | |
| 11 | HEA | Heliavia-Transporte Aereo | ICAO1 | ||
| 12 | HEAA | HEART TRANSPORTATION | SCAC4 | ||
| 13 | HEAB | HEADRUSH | SCAC4 | ||
| 14 | HEAC | HEGGELUND, DANNIE | SCAC4 | ||
| 15 | HEAD | HEAD LINES (MCLEAN KENNEDY LTD) | PWRC | ||
| 16 | HEAD | HUBTRUCKER | SCAC4 | ||
| 17 | HEAG | Hessische Elektrizitäts AG | City: Darmstadt | D | TRAFFIC |
| 18 | HEAH | HARIBON EXPRESS LLC | SCAC4 | ||
| 19 | HEAI | HISTORICAL EQUIPMENT ASSOCIATION | PWRC | ||
| 20 | HEAO | HEARN, DON & SONS INC | SCAC4 | ||
| 21 | HEAP | HERNANDEZ, SAM TRUCKING | SCAC4 | ||
| 22 | HEAQ | HEATH OIL CO INC | SCAC4 | ||
| 23 | HEAR | HEART TRANSPORTATION U S INC | SCAC4 | ||
| 24 | HEAX | Huntsman Ethyleneamines, Ltd. | added 4/2003; 7/2005 | NAKINA | |
| 25 | HEAX | HUNTSMAN ETHYLENEAMINES, LTD. | PWRC | ||
| 26 | HEAX | HUNTSMAN ETHYLENEAMINES LTD | SCAC4 | ||
| 27 | HEAY | HEALDTON OIL CO INC | SCAC4 | ||
| 28 | HEB | Heli Bernina | ICAO1 | ||
| 29 | HEB | HLB Hessenbahn GmbH | DE | VKM | |
| 30 | HEBC | HEPLER TRANSPORT INC | SCAC4 | ||
| 31 | HEBG | HERON SHIPPING LLC | SCAC4 | ||
| 32 | HEBI | HEINS ENTERPRISES LLC | SCAC4 | ||
| 33 | HEBM | HEBDEN & MCKENZIE TRANSPORT INC | SCAC4 | ||
| 34 | HEBR | HEBERT, JOHN J DISTRIBUTOR INC | SCAC4 | ||
| 35 | HEBX | H.E. Boner | 7/1923 | NAKINA | |
| 36 | HEBX | H.E. BONER | PWRC | ||
| 37 | HEC | Heliservicio Campeche | ICAO1 | ||
| 38 | HEC | Heathrow Connect | Heathrow Connect is a train service in London, connecting Heathrow Airport with Paddington station. It is a joint venture between First Great Western and BAA. The service follows the same route as the faster Heathrow Express service but serves intermediate stations on its route, thus connecting several locations in west London with each other, the airport, and central London. | GB | TRAFFIC |
| 39 | HECC | HEPSON EQUIPMENT INC | SCAC4 | ||
| 40 | HECD | HATT ENTERPRISES (2010) LTD | SCAC4 | ||
| 41 | HECE | HUMBLE EQUIPMENT CO INC | SCAC4 | ||
| 42 | HECG | HORIZON LINES OF GUAM LLC | SCAC4 | ||
| 43 | HECL | HATTENHAUER ENERGY CO LLC | SCAC4 | ||
| 44 | HECM | HECATHORN, MARGRET | SCAC1 | ||
| 45 | HECM | HECATHORN, MARGARET | SCAC4 | ||
| 46 | HECN | HELLS CANYON NAVIGATION | SCAC4 | ||
| 47 | HECQ | HOLLERBACH EQUIPMENT CO INC | SCAC4 | ||
| 48 | HECR | HECTS TRUCKS LLC | SCAC4 | ||
| 49 | HECT | Hector Rail AB | Real: HCTOR, 2004 - | S | TRAFFIC |
| 50 | HECW | HENDERSON, C W (TRAILER LOAD SERVIC | SCAC4 | ||
| 51 | HECX | Hoosier Energy REC, Inc. | added 10/1981; 1/1994-7/2005; eliminated 4/2009 | NAKINA | |
| 52 | HECX | H.E. Clark | 7/1923-7/1935 | NAKINA | |
| 53 | HECX | Hoosier Energy REC, Inc. | added 10/81; 1/94-7/2000 | NRHS | |
| 54 | HECX | *H.E. CLARK | PWRC | ||
| 55 | HECX | +HOOSIER ENERGY REC, INC. | PWRC | ||
| 56 | HECX | Hoosier Energy REC | RSRV | ||
| 57 | HECX | HOOSIER ENERGY REC, INC. | SCAC4 | ||
| 58 | HECY | HECNY TRANSPORTATION INC | SCAC4 | ||
| 59 | HED | Herritage Aviation Developments | ICAO1 | ||
| 60 | HEDC | HOUSTON EXPRESS DELIVERY SERVICE | SCAC4 | ||
| 61 | HEDF | HEDREN FARMS INC | SCAC4 | ||
| 62 | HEDH | HEIDENREICH TRUCKING COMPANY | SCAC4 | ||
| 63 | HEDM | HENDRICK MOVING AND STORAGE INC | SCAC4 | ||
| 64 | HEDN | HENDERSON, EARL L | SCAC1 | ||
| 65 | HEDN | HENDERSON, EARL L TRUCKING | SCAC4 | ||
| 66 | HEDO | HEART OF DIXIE INC | SCAC4 | ||
| 67 | HEEQ | H & E EQUIPMENT SERVICES MIDATLANTI | SCAC4 | ||
| 68 | HEER | HEEREN TRUCKING COMPANY INC | SCAC4 | ||
| 69 | HEEV | H & E EQUIPMENT SERVICES INC | SCAC4 | ||
| 70 | HEEX | HarzElbeExpress | Real: HEX | D | TRAFFIC |
| 71 | HEF | Hammer Eisenbahnfreunde e.V. | Hamm | D | privat-bahn.de |
| 72 | HEF | Historiche Eisenbahn Frankfurt e.V | DE | VKM | |
| 73 | HEFJ | HELFRICH, JOHN, TRUCKING | SCAC1 | ||
| 74 | HEG | Hersfelder Eisenbahn Gesellschaft mbH | Bad Hersfeld | D | privat-bahn.de |
| 75 | HEG | Hamburger Eisenbahngesellschaft mbH | Hamburg | D | privat-bahn.de |
| 76 | HEG | Hersfelder Eisenbahn Gesellschaft mbH | D | TRAFFIC | |
| 77 | HEG | Historische Eisenbahn Gesellschaft | CH | VKM | |
| 78 | HEGR | HEGAR LOGISTICS SA DE CV | SCAC4 | ||
| 79 | HEGY | Hegyközi kisvasút | H | TRAFFIC | |
| 80 | HEHC | HENDERSON, C W (DIV OF CWH | SCAC4 | ||
| 81 | HEHT | HENNIS FREIGHT LINES INC | PWRC | ||
| 82 | HEI | Aerohein | ICAO1 | ||
| 83 | HEI | Heisei Chikuho Railway (Heichiku) | J | TRAFFIC | |
| 84 | HEIB | HEMI EXPRESS INC | SCAC4 | ||
| 85 | HEIC | HANKYU HANSHIN EXPRESS CO LTD | SCAC4 | ||
| 86 | HEID | HEIDI FUEL COMPANY | SCAC4 | ||
| 87 | HEID | Heidelberger Straßen und Bergbahn AG. | City: Heidelberg | D | TRAFFIC |
| 88 | HEIH | HIGHLAND EXPRESS INC | SCAC4 | ||
| 89 | HEIJ | HYH EXPRESS INC | SCAC4 | ||
| 90 | HEIM | HEIM TRUCKING CO | SCAC4 | ||
| 91 | HEIN | Bernd Andreas Heinrichsmeyer | DE | VKM | |
| 92 | HEIO | HEIL TRANSPORTATION INC | SCAC4 | ||
| 93 | HEIP | HUDDLESTON ENTERPRISES INC | SCAC4 | ||
| 94 | HEIQ | HORIZON EXPRESS INC | SCAC4 | ||
| 95 | HEIR | HANKINS EXPRESS INCORPORATED | SCAC4 | ||
| 96 | HEIS | HCR ELECTRONICS INC | SCAC4 | ||
| 97 | HEIT | Heitkamp Rail | D | TRAFFIC | |
| 98 | HEIY | HUTSON ENTERPRISES INC | SCAC4 | ||
| 99 | HEIZ | HEINZ | PWRC | ||
| 100 | HEIZ | AMERICAN EXPORT LINES | SCAC3 |