| 1301 | HERX | GENERAL ELECTRIC RAILCAR SERVICES C | SCAC4 | ||
| 1302 | HES | Hennigsdorfer Elektrostahlwerk GmbH | D | TRAFFIC | |
| 1303 | HESA | HERNANDEZ SOLORZANO, ANTONIO | SCAC4 | ||
| 1304 | HESB | HESTER BROKERS INC | SCAC4 | ||
| 1305 | HESE | H E S EXPRESS INC | SCAC4 | ||
| 1306 | HESF | Hammer Eisenbahnfreunde e. V. + Museumseisenbahn Hamm e. V | D | TRAFFIC | |
| 1307 | HESJ | HINE ENVIRONMENTAL SERVICES LLC | SCAC4 | ||
| 1308 | HESK | HESTER TRUCKING INC | SCAC4 | ||
| 1309 | HESO | HATCH ESSENTIAL OIL CO | SCAC4 | ||
| 1310 | HESP | HELIX ENERGY SOLUTIONS GROUP INC | SCAC4 | ||
| 1311 | HESR | Huron and Eastern Ry. Co. | added 7/1986; eliminated 7/1991 | NAKINA | |
| 1312 | HESR | Huron and Eastern Ry. Co., Inc. | added 7/1991; 1/1994-7/2005 | NAKINA | |
| 1313 | HESR | Huron and Eastern Ry. Co. | added 7/86; eliminated 7/91 | NRHS | |
| 1314 | HESR | Huron and Eastern Ry. Co., Inc. | added 7/91; 1/94-7/2000 | NRHS | |
| 1315 | HESR | HURON & EASTERN RAILWAY CO | PWRC | ||
| 1316 | HESR | Huron and Eastern Railway | RSRV | ||
| 1317 | HESR | HURON AND EASTERN RAILWAY COMPANY I | SCAC4 | ||
| 1318 | HESS | Carrosserie HESS AG | CH | TRAFFIC | |
| 1319 | HEST | HESS TRUCKING CO | SCAC4 | ||
| 1320 | HESU | HERITAGE ENVIRONMENTAL SERVICES, INC. | PWRC | ||
| 1321 | HESU | Heritage Environmental Services | RSRV | ||
| 1322 | HESX | Heritage Environmental Services, Inc. c/o Heritage Group | 1/1994 (not listed); added 1/1997; 7/2000-7/2005; eliminated 7/2007 | NAKINA | |
| 1323 | HESX | Heritage Environmental Services, Inc. | 1/94; added 1/97 | NRHS | |
| 1324 | HESX | Heritage Environmental Services, Inc. c/o Heritage Group | Jul-00 | NRHS | |
| 1325 | HESX | HERITAGE ENVIRONMENTAL SERVICES, INC. | PWRC | ||
| 1326 | HESX | Heritage Environmental Services | RSRV | ||
| 1327 | HESX | HERITAGE ENVIRONMENTAL SERVICES LLC | SCAC4 | ||
| 1328 | HESZ | *HERITAGE ENVIRONMENTAL SERVICES, INC | PWRC | ||
| 1329 | HESZ | *HESKETT #1 | PWRC | ||
| 1330 | HESZ | Heritage Environmental Services | RSRV | ||
| 1331 | HESZ | HERITAGE ENVIRONMENTAL SERVICES, IN | SCAC4 | ||
| 1332 | HET | TAF Helicopters | ICAO1 | ||
| 1333 | HETB | HEAVY EQUIPMENT TRANSPORT LLC | SCAC4 | ||
| 1334 | HETC | HERRIOTT TRUCKING CO INC | PWRC | ||
| 1335 | HETC | H E TRUCKING LTD | SCAC4 | ||
| 1336 | HETJ | HEASLET EQUIPMENT & TRUCKING LTD | SCAC4 | ||
| 1337 | HETN | HARDY ENTERPRISES TRANSPORTATION IN | SCAC4 | ||
| 1338 | HETP | HET ENTERPRISES INC | SCAC4 | ||
| 1339 | HETQ | H & E TRUCKING | SCAC4 | ||
| 1340 | HETS | HENNINGSEN TRANSPORTATION SERVICES | SCAC4 | ||
| 1341 | HETT | HEATHS & HEATHERS | SCAC4 | ||
| 1342 | HETU | DEXTRAMAR | SCAC4 | ||
| 1343 | HETY | HAMILTON EXPRESS TRANSPORTATION | SCAC4 | ||
| 1344 | HEV | Verein zur Förderung des Eisenbahnmuseums Vienenburg e.V. | DE | VKM | |
| 1345 | HEVC | HEVETIA CONTAINER LINE | SCAC4 | ||
| 1346 | HEVR | HERNANDEZ CASTRO, EVERARDO | SCAC4 | ||
| 1347 | HEWG | HEWINGS TRANSPORTATION INC | SCAC4 | ||
| 1348 | HEWH | HOWERTON, E W HAULING INC | SCAC4 | ||
| 1349 | HEWS | HEWSAW MACHINES INC | SCAC4 | ||
| 1350 | HEWT | Houston East & West Texas Ry. | 4/1938-7/1954 | NAKINA | |
| 1351 | HEWT | Houston East & West Texas Ry. (Southern Pacific Lines in Texas and Louisiana) | 8/1920-7/1936 | NAKINA | |
| 1352 | HEWT | Houston & Shreveport R.R. (Southern Pacific Lines in Texas and Louisiana) | 8/1920-7/1923 | NAKINA | |
| 1353 | HEWT | Houston East & West Texas Ry. | 4/38-1/52 | NRHS | |
| 1354 | HEWT | HOUSTON EAST & WEST TEXAS RAILWAY | PWRC | ||
| 1355 | HEX | Honiara Cargo Express | ICAO1 | ||
| 1356 | HEX | Heathrow Express Operating Authority | Heathrow Express is a train service from Heathrow Airport to Paddington in central London operated by the Heathrow Express Operating Authority - a wholly-owned subsidiary of BAA. The service is not part of the National Rail system, despite part of its journey sharing track with National Rail trains and terminating at a London mainline station.http://www.heathrowexpress.com/ | GB | TRAFFIC |
| 1357 | HEX | Veolia Verkehr -Sachsen-Anhalt GmbH | DE | VKM | |
| 1358 | HEXA | HEXACAM | SCAC4 | ||
| 1359 | HEXC | HOVEY EXCAVATING | SCAC4 | ||
| 1360 | HEXD | HAMMERD | SCAC4 | ||
| 1361 | HEXG | HEXAGON LOGISTICS INC | SCAC4 | ||
| 1362 | HEXH | HINDLE EXHAUST SYSTEMS | SCAC4 | ||
| 1363 | HEXI | HAMMER EXPRESS INC | SCAC4 | ||
| 1364 | HEXJ | HEILEE EXPRESS | SCAC4 | ||
| 1365 | HEXL | HIGHLAND EXPRESS LLC | SCAC4 | ||
| 1366 | HEXO | HUDSONS EXXON SERVICENTER | SCAC4 | ||
| 1367 | HEXP | HIGHWAY EXPRESS CO | PWRC | ||
| 1368 | HEXQ | HERNANDEZ EXPRESS | SCAC4 | ||
| 1369 | HEXS | HIWAY EXPRESS | SCAC4 | ||
| 1370 | HEYD | HEYWOOD TRANSPORTATION SERVICES LTD | SCAC4 | ||
| 1371 | HEYK | HEYER TRUCK LINE INC | SCAC4 | ||
| 1372 | HEYW | HEYWOOD MARITIME S A | SCAC4 | ||
| 1373 | HEZ | HOLDREGG ELEVATOR | PWRC | ||
| 1374 | HF | Held & Francke Bau GmbH & Co KG | AT | VKM | |
| 1375 | HFAC | HENNECO FREIGHT AND LOGISTICS INC | SCAC4 | ||
| 1376 | HFAD | HOFFMAN TRANSPORT INC | SCAC4 | ||
| 1377 | HFAF | HOMESTEAD FARM AND FEED | SCAC4 | ||
| 1378 | HFAI | HAGERMAN FINE ART INC | SCAC4 | ||
| 1379 | HFAK | HERITAGE FARMS AND MARKET LLC | SCAC4 | ||
| 1380 | HFAS | HAMBLETON FINE ART SERVICES | SCAC4 | ||
| 1381 | HFAU | BULKHAUL (UK) LTD | SCAC4 | ||
| 1382 | HFAX | Halifax Transit | CDN | TRAFFIC | |
| 1383 | HFBI | HYPHEN FREIGHT BROKERAGE INC | SCAC4 | ||
| 1384 | HFBL | H & F BROS LLC | SCAC4 | ||
| 1385 | HFBR | HOFF BROTHERS | SCAC4 | ||
| 1386 | HFC | HANNA FURNACE CO. | PWRC | ||
| 1387 | HFCC | HORTON FRUIT CO INC, THE | SCAC4 | ||
| 1388 | HFCD | HIGHBALL FISHING CO LTD | SCAC4 | ||
| 1389 | HFCG | HEBERT, FREDERICK CRAIG | SCAC4 | ||
| 1390 | HFCU | SPEDITION RHEINLAND H FREUND GMBH & | SCAC4 | ||
| 1391 | HFCX | Harlan Fuel Co. | added 10/1978; eliminated 1/1979 | NAKINA | |
| 1392 | HFCX | Harlan Fuel Co. | added 10/78; eliminated 1/79 | NRHS | |
| 1393 | HFCX | HARLAN FUEL CO. | PWRC | ||
| 1394 | HFCY | HOLMAN FREIGHT COMPANY | SCAC4 | ||
| 1395 | HFD | Helmut Feger GmbH | DE | VKM | |
| 1396 | HFDS | HARTFORD ENTERPRISES INC | SCAC4 | ||
| 1397 | HFEC | HASTINGS-FISHER ENERGY CO INC | SCAC4 | ||
| 1398 | HFEK | HIOTT, F E TRUCKING LLC | SCAC4 | ||
| 1399 | HFEM | HERNANDEZ FERNANDEZ, ERMELANDO | SCAC4 | ||
| 1400 | HFFC | HUFF CONTRACTORS INC | SCAC4 |