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
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
| 1 | I&GN | INTERNATIONAL-GREAT NORTHERN RAILROAD CO. | PWRC | ||
| 2 | I&GN | International-Great Northern R.R. Co. | 8/1920-7/1923 | NAKINA | |
| 3 | I&V | Iberia & Vermillion R.R. | Apr-38 | NRHS | |
| 4 | I&V | IBERIA & VERMILLION RAILROAD 9SOUTHERN PACIFIC LINES IN TEXAS & LOUISIANA) | PWRC | ||
| 5 | I&V | Iberia & Vermillion R.R. | 4/1938 | NAKINA | |
| 6 | I&V | Iberia & Vermillion R.R. (Southern Pacific Lines in Texas and Louisiana) | 8/1920-7/1936 | NAKINA | |
| 7 | IAA | Indonesian Airlines | IATA: IO | ICAO1 | |
| 8 | IAAU | INTERASIA LINES LTD | SCAC4 | ||
| 9 | IAAW | INTERNATIONAL PAPER-LAURENS CONTAIN | SCAC4 | ||
| 10 | IABA | INTER AMERICAN BUILDERS AGENCIES CO | SCAC4 | ||
| 11 | IAC | Indian Airlines | IATA: IC | ICAO1 | |
| 12 | IACA | BIG ACE TRUCKING INC | SCAC4 | ||
| 13 | IACB | INTRADECO APPAREL INC | SCAC4 | ||
| 14 | IACG | INSEL AIR CARGO | SCAC4 | ||
| 15 | IACN | INTER ACTION COURIER INTERNATIONAL | SCAC4 | ||
| 16 | IACT | INTERNATIONAL ACTIVITIES CORPORATIO | SCAC4 | ||
| 17 | IACU | I A C C | SCAC4 | ||
| 18 | IACX | CANADIAN INDUSTRIAL ALCOHOL CO., LTD. | PWRC | ||
| 19 | IACX | Canadian Industrial Alcohol Co., Ltd. | 7/1930-7/1932 | NAKINA | |
| 20 | IAD | Fly Wex | ICAO1 | ||
| 21 | IAE | AC Insat-Aero | ICAO1 | ||
| 22 | IAEC | INFINITY AUTO EXPRESS INC | SCAC4 | ||
| 23 | IAED | IOWA EXPRESS FREIGHTWAYS, INC | SCAC1 | ||
| 24 | IAEI | I A E ENTERPRISES INC | SCAC4 | ||
| 25 | IAEP | INTER AMERICAN EXPRESS | SCAC4 | ||
| 26 | IAF | Israeli Air Force | ICAO1 | ||
| 27 | IAFC | IMPORTED ARTISTS FILM COMPANY | SCAC4 | ||
| 28 | IAG | EPAG Groupe Air France | ICAO1 | ||
| 29 | IAGA | INAGUA LINES, INC. | SCAC1 | ||
| 30 | IAGA | INAGUA LINES INC | SCAC4 | ||
| 31 | IAGS | INTERMARE AGENCY SERVICES INC | SCAC4 | ||
| 32 | IAI | Israel Aircraft Industries | ICAO1 | ||
| 33 | IAIL | INNERSYSTEMS AUTOMOTIVE INC | SCAC4 | ||
| 34 | IAIN | IBC AIRWAYS INC | SCAC4 | ||
| 35 | IAIS | Iowa Interstate R.R., Ltd. | added 1/85; 1/94-7/2000 | NRHS | |
| 36 | IAIS | IOWA INTERSTATE RAILROAD, LTD. | PWRC | ||
| 37 | IAIS | Iowa Interstate R.R., Ltd. | added 1/1985; 1/1994-7/2005 | NAKINA | |
| 38 | IAIS | Iowa Interstate Railroad | RSRV | ||
| 39 | IAIU | Intertronic Solutions | RSRV | ||
| 40 | IAJ | Islandair Jersey | ICAO1 | ||
| 41 | IAK | International Air Cargo Corporation | ICAO1 | ||
| 42 | IALC | I AM LOGISTICS INC | SCAC4 | ||
| 43 | IALD | INTERNATIONAL DISTRIBUTION SERVICES | SCAC4 | ||
| 44 | IALI | INTERNATIONAL ANGELS INC | SCAC4 | ||
| 45 | IALT | INTERCAL ASPHALT PRODUCTS INC | SCAC4 | ||
| 46 | IALU | JAPAN LINE, LTD | PWRC | ||
| 47 | IALU | Japan Line | RSRV | ||
| 48 | IAME | INTERAMERICA | SCAC4 | ||
| 49 | IAMU | IAL SHIPPING AGENCY (S) PTE LTD | SCAC4 | ||
| 50 | IANI | IAN INTERNATIONAL INC | SCAC4 | ||
| 51 | IANR | Iowa Northern Ry. | added 1/82; 1/94-7/2000 | NRHS | |
| 52 | IANR | IOWA NORTHERN RAILWAY CO. | PWRC | ||
| 53 | IANR | Iowa Northern Ry. | added 1/1982; 1/1994-7/2005 | NAKINA | |
| 54 | IANR | Iowa Northern Railway | RSRV | ||
| 55 | IANW | IOWA NORTHWESTERN RAILROAD | PWRC | ||
| 56 | IANW | Iowa Northwestern R.R. | added 7/2003; 7/2005; eliminated 7/2005 | NAKINA | |
| 57 | IANW | IOWA NORTHWESTERN RAILROAD | SCAC4 | ||
| 58 | IAPP | INDUSTRIAS APPAREL SA DE CV | SCAC4 | ||
| 59 | IAPU | HOLIDAY ON ICE PRODUCTIONS BV | SCAC4 | ||
| 60 | IAPX | Industrial Air Products Co. | added 10/65; 10/66-4/70 | NRHS | |
| 61 | IAPX | *IOWA PACKING CO. | PWRC | ||
| 62 | IAPX | +AIR LIQUIDE AMERICA CORP. [LIQUID AIR CORPORATION; INDUSTRIAL AIR PRODUCTS CO.] | PWRC | ||
| 63 | IAPX | Air Liquide IC GP LLC d/b/a Air Liquide Industrial U.S. LP | added 7/2008 | NAKINA | |
| 64 | IAPX | Air Liquide America Corp. | added 1/1995; 7/2000-7/2005; eliminated 7/2008 | NAKINA | |
| 65 | IAPX | Liquid Air Corp. | added 1/1987; 1/1994; eliminated 1/1995 | NAKINA | |
| 66 | IAPX | Liquid Air, Inc. | added 10/1974; 1/1975-1/1980; eliminated 1/1987 | NAKINA | |
| 67 | IAPX | The Iowa Packing Co. | 7/1930 | NAKINA | |
| 68 | IAPX | Industrial Air Products Co. | added 10/1965; 10/1966-4/1970; eliminated 10/1974 | NAKINA | |
| 69 | IAPX | Industrial Air Products (Air Liquide America Corporation) | RSRV | ||
| 70 | IAPX | AIR LIQUIDE AMERICA CORPORATION | SCAC4 | ||
| 71 | IAPX | Liquid Air, Inc. | 1/75-1/80; eliminated 1/87 | NRHS | |
| 72 | IAPX | Liquid Air Corp. | added 1/87; 1/94; eliminated 1/95 | NRHS | |
| 73 | IAPX | Air Liquide America Corp. | added 1/95; 7/2000 | NRHS | |
| 74 | IAR | Iliamna Air Taxi | ICAO1 | ||
| 75 | IARR | IOWA RIVER RAILROAD, INC. | PWRC | ||
| 76 | IARR | IOWA RIVER RAILROAD INC | SCAC4 | ||
| 77 | IART | IMPERIAL ART FURNITURE | SCAC4 | ||
| 78 | IAS | International Air Service | ICAO1 | ||
| 79 | IASA | I A S INTERNATIONAL ANDROMEDA SHIPP | SCAC4 | ||
| 80 | IASB | INTERCONTINENTAL AUTO SALES AND REP | SCAC4 | ||
| 81 | IASC | INTERNATIONAL AVIATION SERVICE INC | SCAC4 | ||
| 82 | IASG | INTER-AMERICA SHIPPING | SCAC4 | ||
| 83 | IASL | IAS LOGISTICS DFW LLC | SCAC4 | ||
| 84 | IASU | IOWA INTERSTATE RAILROAD LTD | SCAC4 | ||
| 85 | IASX | IDAHO ASPHALT SUPPLY, INC. | PWRC | ||
| 86 | IASX | Idaho Asphalt Supply, Inc. | 7/2005 (not listed) | NAKINA | |
| 87 | IASX | IDAHO ASPHALT SUPPLY INC | SCAC4 | ||
| 88 | IASZ | IOWA INTERSTATE RAILROAD, LTD. | PWRC | ||
| 89 | IASZ | Iowa Interstate Railroad | RSRV | ||
| 90 | IAT | Iowa Terminal R.R. Co. | 1/75-1/80; added 10/80; eliminated 7/87 | NRHS | |
| 91 | IAT | IOWA TRACTION RAILROAD CO.[IOWA TERMINAL RAILROAD CO.] | PWRC | ||
| 92 | IAT | Iowa Traction R.R. Co. | added 7/1987; eliminated 1/1988 | NAKINA | |
| 93 | IAT | Iowa Terminal R.R. Co. | 1/1975-1/1980; added 10/1980; eliminated 7/1987 | NAKINA | |
| 94 | IAT | Iowa Terminal Railroad | RSRV | ||
| 95 | IAT | Iowa Traction R.R. Co. | added 7/87; eliminated 1/88 | NRHS | |
| 96 | IATC | I A TRUCKING LLC | SCAC4 | ||
| 97 | IATI | INNOVATIVE APPLIED TECHNOLOGIES INC | SCAC4 | ||
| 98 | IATL | IAT LOGISTICS | SCAC4 | ||
| 99 | IATO | I A TRANSPORT | SCAC4 | ||
| 100 | IATP | INTERLINK AUTO TRANSPORT LLC | SCAC4 |