Real world company prefixes
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I& IA IB IC ID IE IF IG IH II IJ IK IL IM IN IO IP IQ IR IS IT IU IV IW IX IY IZ
IHA IHB IHC IHD IHE IHF IHH IHI IHK IHL IHM IHO IHP IHR IHS IHT IHX
I& IA IB IC ID IE IF IG IH II IJ IK IL IM IN IO IP IQ IR IS IT IU IV IW IX IY IZ
IHA IHB IHC IHD IHE IHF IHH IHI IHK IHL IHM IHO IHP IHR IHS IHT IHX
| 1 | IHAN | IRON HANDCRAFTERS | SCAC4 | ||
| 2 | IHAS | IDEAL HARNESS | SCAC4 | ||
| 3 | IHAU | IHORA CHEMICAL INDUSTRIAL | PWRC | ||
| 4 | IHAU | Ihora Chemical Industrial | RSRV | ||
| 5 | IHB | Indiana Harbor Belt R.R. Co. | 1/75-7/2000 | NRHS | |
| 6 | IHB | INDIANA HARBOR BELT RAILROAD CO. | PWRC | ||
| 7 | IHB | Indiana Harbor Belt R.R. Co. | 1/1975-7/2005 | NAKINA | |
| 8 | IHB | Indiana Harbor Belt Railroad | RSRV | ||
| 9 | IHCA | INVESTORS HOLDING CO LTD | SCAC4 | ||
| 10 | IHCI | INTERNATIONAL HAZMAT CROSSINGS INC | SCAC4 | ||
| 11 | IHCS | ICE HAWK CORPORATION SA | SCAC4 | ||
| 12 | IHCT | IHC TRANSPORTATION | SCAC1 | ||
| 13 | IHCU | UNASSIGNED | PWRC | ||
| 14 | IHCX | International Harvester Co. | 1/52-7/65; eliminated 10/65 | NRHS | |
| 15 | IHCX | INTERNATIONAL HARVESTER CO. | PWRC | ||
| 16 | IHCX | International Harvester Co. | 1/1941-7/1965; eliminated 10/1965 | NAKINA | |
| 17 | IHDS | IN HOUSE DELIVERY SYS INC | SCAC4 | ||
| 18 | IHE | Interjet Helicopters | ICAO1 | ||
| 19 | IHEC | INDUSTRIES P H L INC | SCAC4 | ||
| 20 | IHEP | IRON HORSE EXPRESS LLC | SCAC4 | ||
| 21 | IHES | IRON HORSE ENERGY SERVICES | SCAC4 | ||
| 22 | IHFI | ICON HEALTH & FITNESS INC | SCAC4 | ||
| 23 | IHHC | INLACH & COLLINS BROTHERS LLC | SCAC4 | ||
| 24 | IHHL | INTEGRITY HEAVY HAUL LLC | SCAC4 | ||
| 25 | IHHS | INTERIDE HEAVY HAUL LC | SCAC4 | ||
| 26 | IHIL | INDIAN HILLS PRODUCE INC | SCAC4 | ||
| 27 | IHINV | IH Invest s.r.o. | SK | VKM | |
| 28 | IHKC | IRONHORSE TRUCKING CO | SCAC4 | ||
| 29 | IHLA | INTERFREIGHT HARMONIZED LOGISTICS I | SCAC4 | ||
| 30 | IHLN | IMPRIMERIE HLN INC | SCAC4 | ||
| 31 | IHLU | ITERA HOLDING LTD | SCAC4 | ||
| 32 | IHLW | INDOCHINA LIMITED | SCAC4 | ||
| 33 | IHMZ | INDIAN HEAD MINING CO. | PWRC | ||
| 34 | IHOD | INGRAM HOLDINGS | SCAC4 | ||
| 35 | IHOU | Intermodal Tank Transport | RSRV | ||
| 36 | IHOU | INTERMODAL TANK TRANSPORT INC | SCAC4 | ||
| 37 | IHPP | INTERNATIONAL SHIPPING AGENCY INC. | SCAC4 | ||
| 38 | IHRC | Indiana Hi-Rail Corp. | added 4/82; 1/94; eliminated 1/95 | NRHS | |
| 39 | IHRC | INDIANA HI-RAIL CORP. [(WAER) WABASH & ERIE RAILROAD] | PWRC | ||
| 40 | IHRC | Wabash & Erie R.R. | added 1/1995 | NAKINA | |
| 41 | IHRC | Indiana Hi-Rail Corp. | added 4/1995; eliminated 7/1998; 7/2000-7/2005 | NAKINA | |
| 42 | IHRC | Indiana Hi-Rail Corp. | added 4/1982; 1/1994; eliminated 1/1995 | NAKINA | |
| 43 | IHRC | Indiana Hi-Rail Corporation | RSRV | ||
| 44 | IHRC | Wabash & Erie R.R. | added 1/95 | NRHS | |
| 45 | IHRC | Indiana Hi-Rail Corp. | added 4/95; eliminated 7/98; 7/2000 | NRHS | |
| 46 | IHS | Thryluthjonustan | ICAO1 | ||
| 47 | IHS | IG Historischer Schienenverkehr e.V. | Schierwaldenrath | D | privat-bahn.de |
| 48 | IHSE | I H S ENTERPRISES INC | SCAC4 | ||
| 49 | IHSX | Western Vancouver Island Heritage Society (Alberni Pacific Ry.) | Jul-00 | NRHS | |
| 50 | IHSX | WESTERN VANCOUVER ISLAND HERITAGE SOCIETY (ALBERNI PACIFIC RAILWAY) | PWRC | ||
| 51 | IHSX | Western Vancouver Island Heritage Society (Alberni Pacific Ry.) | 7/2000-7/2005 (not listed) | NAKINA | |
| 52 | IHSX | Alberni Pacific Railway (Western Vancouver Island Heritage Society) | RSRV | ||
| 53 | IHSX | WESTERN VANCOUVER ISLAND INDUSTRIAL | SCAC4 | ||
| 54 | IHTA | IRON HORSE TRANSPORTATION | SCAC4 | ||
| 55 | IHTD | IRON HORSE TRUCKING INC | SCAC4 | ||
| 56 | IHTM | IRON HAWK TRUCKING INC | SCAC4 | ||
| 57 | IHTO | INTERSTATE HAZMAT TRANSPORT INC | SCAC4 | ||
| 58 | IHTR | IRON HORSE TRUCKING LLC | SCAC4 | ||
| 59 | IHTS | IRON HORSE TRUCK SHUTTLE LTD | SCAC4 | ||
| 60 | IHTU | ITC HOLLAND TRANSPORT BV | SCAC4 | ||
| 61 | IHXP | IRON HORSE EXPRESS INC | SCAC4 | ||
| 62 | IHXX | IRON HIGHWAY, INC. | PWRC |