| 1201 | HELW | HEARNE, L. A | SCAC1 | ||
| 1202 | HELW | HEARNE, L A CO | SCAC4 | ||
| 1203 | HELX | HELM Financial Corp. | added 7/1995; 7/2000-7/2005 | NAKINA | |
| 1204 | HELX | HM Joint Venture | added 7/1993; 1/1994; eliminated 7/1995 | NAKINA | |
| 1205 | HELX | HELM Equipment Leasing Co. | added 1/1987 | NAKINA | |
| 1206 | HELX | HELM Financial Corp. | added 10/1986 | NAKINA | |
| 1207 | HELX | HELM Financial Corp. | added 10/86 | NRHS | |
| 1208 | HELX | HELM Equipment Leasing Co. | added 1/87 | NRHS | |
| 1209 | HELX | HM Joint Venture | added 7/93; 1/94; eliminated 7/95 | NRHS | |
| 1210 | HELX | HELM Financial Corp. | added 7/95; 7/2000 | NRHS | |
| 1211 | HELX | HELM EQUIPMENT LEASING CORPORATION (HELM FINANCIAL CORP.) | PWRC | ||
| 1212 | HELX | Helm Financial Corporation | RSRV | ||
| 1213 | HELX | HELM FINANCIAL CORPORATION | SCAC4 | ||
| 1214 | HELY | HAMMONDS ENTERPRISES LLC | SCAC4 | ||
| 1215 | HEM | CHC Helicopters | ICAO1 | ||
| 1216 | HEM | Historiche Eisenbahnen Mitteldeutchland GmbH i.G. | DE | VKM | |
| 1217 | HEMA | HERMANN LEASING COMPANY | SCAC4 | ||
| 1218 | HEMC | HEMO LOGISTICS INC | SCAC4 | ||
| 1219 | HEMF | HELPHREY MOTOR FRT INC | PWRC | ||
| 1220 | HEMI | HERMES TRANSFER CO | SCAC4 | ||
| 1221 | HEMM | HEMM | SCAC4 | ||
| 1222 | HEMO | HEM TRANSPORT | SCAC4 | ||
| 1223 | HEMP | HEMPEL INTERNATIONAL TRANSPORTATION | SCAC4 | ||
| 1224 | HEMP | Hempstead Transit | USA | TRAFFIC | |
| 1225 | HEMV | HEMME | SCAC4 | ||
| 1226 | HEMY | HEMPHILL TRUCKING INC | SCAC4 | ||
| 1227 | HEN | Helicopteros Y Vehiculos Nacionales Aereos | ICAO1 | ||
| 1228 | HEN | Henschel | D | TRAFFIC | |
| 1229 | HENA | HENNEFORTH, AARON TRUCKING | SCAC4 | ||
| 1230 | HENF | HENKE FARMS INC | SCAC4 | ||
| 1231 | HENG | HENNING TRANSPORT LLC | SCAC4 | ||
| 1232 | HENK | HANSON ENTERPRISES | SCAC4 | ||
| 1233 | HENK | Henkel | DE | VKM | |
| 1234 | HENKEL | Henkel | D | TRAFFIC | |
| 1235 | HENN | HENNING, GARY TRUCKING LLC | SCAC4 | ||
| 1236 | HENO | HENSON TRANSPORT | SCAC4 | ||
| 1237 | HENS | HENSLEY FREIGHT LINES, INC | SCAC1 | ||
| 1238 | HENU | PROVINCIAL TRAILER RENTALS | PWRC | ||
| 1239 | HENU | Provincial Trailer Rentals | RSRV | ||
| 1240 | HENU | PROVINCIAL TRAILER RENTALS | SCAC3 | ||
| 1241 | HENY | HENRYS TRANSFER INC | SCAC4 | ||
| 1242 | HENZ | PROVINCIAL TRAILER RENTALS | PWRC | ||
| 1243 | HENZ | Provincial Trailer Rentals | RSRV | ||
| 1244 | HENZ | PROVINCIAL TRAILER RENTALS | SCAC4 | ||
| 1245 | HENZAGO | Prywatne Przedsiębiorstwo Usługowo-Produkcyjne Henryk Zagozda / Henzago Sp. z o.o. | City: Ruda Śląska | PL | TRAFFIC |
| 1246 | HEO | Historische Eisenbahn Oberhausen e.V. | Oberhausen | D | privat-bahn.de |
| 1247 | HEOC | HI ENERGY OIL CO INC | SCAC4 | ||
| 1248 | HEOL | HEER OIL CO INC | SCAC4 | ||
| 1249 | HEON | HENDRY OIL CO INC | SCAC4 | ||
| 1250 | HEPK | HELPACE | SCAC4 | ||
| 1251 | HEPP | HEPP TRUCK SERVICE, INC | SCAC1 | ||
| 1252 | HEPP | HEPP, DAVID W TRUCKING INC | SCAC4 | ||
| 1253 | HEPX | Hydro One | added 4/2001; 7/2005 | NAKINA | |
| 1254 | HEPX | Ontario Hydro | added 7/1975; 1/1980-7/2000; eliminated 4/2001 | NAKINA | |
| 1255 | HEPX | Hydro-Electric Power Commission of Ontario | 1/1952-1/1975; eliminated 7/1975 | NAKINA | |
| 1256 | HEPX | Headley Emulsified Products Co. | 7/1930-7/1932 | NAKINA | |
| 1257 | HEPX | Hydro-Electric Power Commission of Ontario | 1/52-1/75; eliminated 7/75 | NRHS | |
| 1258 | HEPX | Ontario Hydro | added 7/75; 1/80-7/2000; eliminated 4/2001 | NRHS | |
| 1259 | HEPX | Hydro One | added 4/2001 | NRHS | |
| 1260 | HEPX | *HEADLEY EMULSIFIED PRODUCTS CO. | PWRC | ||
| 1261 | HEPX | +ONTARIO HYDRO (HYDRO ONE) | PWRC | ||
| 1262 | HEPX | Ontario Hydro (Hydro One) | RSRV | ||
| 1263 | HEPX | HYDRO-ELECTRIC POWER COMMISSION OF | SCAC4 | ||
| 1264 | HEQC | H E C TRANSPORT INC | SCAC4 | ||
| 1265 | HEQI | HEAD EQUIPMENT INC | SCAC4 | ||
| 1266 | HEQO | HAMRE EQUIPMENT CO | SCAC4 | ||
| 1267 | HEQP | HERMON EQUIPTRANS INC | SCAC4 | ||
| 1268 | HEQS | HORIZON EQUIPMENT SERVICES INC | SCAC4 | ||
| 1269 | HEQX | HELM Financial Corp. | 7/2000-7/2005 | NAKINA | |
| 1270 | HEQX | Helm Equipment Leasing Corp. | added 7/1993; 1/1994; eliminated 10/1994 | NAKINA | |
| 1271 | HEQX | Helm Equipment Leasing Corp. | added 7/93; 1/94; eliminated 10/94 | NRHS | |
| 1272 | HEQX | HELM Financial Corp. | Jul-00 | NRHS | |
| 1273 | HEQX | HELM EQUIPMENT LEASING CORPORATION (HELM FINANCIAL CORP.) | PWRC | ||
| 1274 | HEQX | Helm Financial Corporation | RSRV | ||
| 1275 | HEQX | HELM FINANCIAL CORPORATION | SCAC4 | ||
| 1276 | HERA | HERONS SA DE CV | SCAC4 | ||
| 1277 | HERB | HERRINGTON, M C DISTRIBUTORS INC | SCAC4 | ||
| 1278 | HERD | HICKMANS EGG RANCH INC | SCAC4 | ||
| 1279 | HERE | HEREDIA TRUCKING COMPANY | SCAC4 | ||
| 1280 | HERF | Herforder Kleinbahn | D | TRAFFIC | |
| 1281 | HERG | H E R TRUCKING INC | SCAC4 | ||
| 1282 | HERI | HERITAGE DISTRIBUTION LLC | SCAC4 | ||
| 1283 | HERING | HERING Gleisbau | D | TRAFFIC | |
| 1284 | HERJ | HERRTWICH | SCAC4 | ||
| 1285 | HERK | HERRIN TRUCKING LLC | SCAC4 | ||
| 1286 | HEROS | Helvetia Rolling Stock GmbH | CH | TRAFFIC | |
| 1287 | HEROS | HEROS Helvetia Rolling Stock GmbH | CH | VKM | |
| 1288 | HERR | HERRIN TRANSPORTATION CO | PWRC | ||
| 1289 | HERR | HERRERA, A TRANSPORT | SCAC4 | ||
| 1290 | HERS | HERMOR TRANSPORTES | SCAC4 | ||
| 1291 | HERTZ | USA | TRAFFIC | ||
| 1292 | HERX | General Electric Rail Services Corp. | added 1/2000; 7/2000-7/2005 | NAKINA | |
| 1293 | HERX | General Electric Railcar Services Corp. | added 1/1984; 1/1994; eliminated 1/2000 | NAKINA | |
| 1294 | HERX | North American Car Corp. | 1/1950-1/1980; eliminated 1/1984 | NAKINA | |
| 1295 | HERX | Hershey Chocolate Co. (North American Car Corp.) | 7/1932-7/1935 | NAKINA | |
| 1296 | HERX | North American Car Corp. | 1/52-1/80 | NRHS | |
| 1297 | HERX | General Electric Railcar Services Corp. | 1/94; eliminated 1/2000 | NRHS | |
| 1298 | HERX | General Electric Rail Services Corp. | added 1/2000; 7/2000 | NRHS | |
| 1299 | HERX | (NATX) GEN. ELECTRIC RAIL SERVICES CORP. (HERSHEY FOOD PROD.- LESSEE) {NORTH AMERICAN CAR CO.] | PWRC | ||
| 1300 | HERX | Hershey Foods (GE Rail Services Corporation) | RSRV |