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
IIC IID IIE IIG III IIL IIM IIN IIP IIR IIS IIT IIZ
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
IIC IID IIE IIG III IIL IIM IIN IIP IIR IIS IIT IIZ
| 1 | IICL | ITS INTERNATIONAL CONTAINER LINES I | SCAC4 | ||
| 2 | IICU | IWATANI INTERNATIONAL CORPORATION | SCAC4 | ||
| 3 | IICX | Interlake Iron Corp. (Toledo Furnace Plant) | Apr-38 | NRHS | |
| 4 | IICX | INTERLAKE IRON CORP. (MERK CHANGED TO ISCX 7-95) | PWRC | ||
| 5 | IICX | Interlake Iron Corp. | 4/1938-4/1961; eliminated 7/1965 (reporting marks changed to ISCX) | NAKINA | |
| 6 | IICX | Interlake Iron Corp. (Toledo Furnace Plant) | 7/1932-7/1937 | NAKINA | |
| 7 | IICX | Interlake Iron Corp. | 1/52-4/61; eliminated 7/65 (reporting marks changed to ISCX) | NRHS | |
| 8 | IICZ | CANADIAN NATIONAL RWY [ILLINOIS CENTRAL GULF RAILROAD; ILLINOIS CENTRAL RR] | PWRC | ||
| 9 | IICZ | Illinois Central Railroad (Canadian National Railway) | RSRV | ||
| 10 | IIDP | INSTRUMENTOS INDUSTRIALES DEL PACIF | SCAC4 | ||
| 11 | IIDU | INTERMODAL INNOVATION LLP | SCAC4 | ||
| 12 | IIET | IET INTERNATIONAL ENERGY TECHNOLOGI | SCAC4 | ||
| 13 | IIG | International Company for Transport, Trade and Pub | ICAO1 | ||
| 14 | IIIC | INNOVATIVE INTERMODAL INC | SCAC4 | ||
| 15 | IIID | INTRADE INDUSTRIES INC | SCAC4 | ||
| 16 | IIII | IRONWORKS INDUSTRIES INCORPORATED | SCAC4 | ||
| 17 | IIIN | IFYCO INVESTMENT INC | SCAC4 | ||
| 18 | IIIU | III TRANSPORTATION | PWRC | ||
| 19 | IIIU | III Transportation | RSRV | ||
| 20 | IIIZ | III TRANSPORTATION | PWRC | ||
| 21 | IIIZ | III Transportation | RSRV | ||
| 22 | IIIZ | IOWA INTERSTATE INTERMODAL | SCAC4 | ||
| 23 | IIL | India International Airways | ICAO1 | ||
| 24 | IILA | INTERTRANSPORT INTERNATIONAL | SCAC4 | ||
| 25 | IILL | IDEAL INSTALLATION LLC | SCAC4 | ||
| 26 | IILU | INDEPENDENT CONTAINER LINE LTD | SCAC1 | ||
| 27 | IILU | (IPCU) INDEPENDENT CONTAINER LINE | PWRC | ||
| 28 | IILU | Independent Container Line | RSRV | ||
| 29 | IILU | INDEPENDENT CONTAINER LINE | SCAC4 | ||
| 30 | IILZ | (IPCU) INDEPENDENT CONTAINER LINE | PWRC | ||
| 31 | IILZ | Independent Container Line | RSRV | ||
| 32 | IILZ | INDEPENDENT CONTAINER LINE | SCAC4 | ||
| 33 | IIMI | INTEGRITY IN MOTION INC | SCAC4 | ||
| 34 | IIMS | INDEPENDENCE INTERNATIONAL MOVING A | SCAC4 | ||
| 35 | IIN | Inter Islands Airlines | IATA: H4 | ICAO1 | |
| 36 | IINA | ILLIANA TRANSPORTATION, INC | SCAC1 | ||
| 37 | IINA | ILLIANA TRANSPORTATION INC | SCAC4 | ||
| 38 | IIND | INTERSPED INC | SCAC4 | ||
| 39 | IINO | IINO LINES | SCAC4 | ||
| 40 | IINQ | INTER INC | SCAC4 | ||
| 41 | IIPI | INTER ISLAND PETROLEUM INC | SCAC4 | ||
| 42 | IIRC | Indiana Interstate Ry. Co., Inc. | added 4/78; 1/80; added 7/80; eliminated 1/83 | NRHS | |
| 43 | IIRC | INDIANA INTERSTATE RAILWAY CO. | PWRC | ||
| 44 | IIRC | Indiana Interstate Ry. Co., Inc. | added 4/1978; 1/1980; added 7/1980; eliminated 1/1983 | NAKINA | |
| 45 | IIRC | Indiana Interstate Railway | RSRV | ||
| 46 | IIRX | INDEPENDENCE IOWA REFRIGERATOR LINE | PWRC | ||
| 47 | IIRX | Independence Iowa Refrigerator Line | 7/1930-7/1935 | NAKINA | |
| 48 | IIRZ | III TRANSPORTATION | PWRC | ||
| 49 | IIRZ | III Transportation | RSRV | ||
| 50 | IIRZ | III TRANSPORTATION | SCAC4 | ||
| 51 | IISC | INTERNATIONAL INDUSTRIAL SUPPLIES | SCAC4 | ||
| 52 | IISX | I.I. Selig & Sons Ltd. | added 10/68; 4/70; eliminated 10/70 | NRHS | |
| 53 | IISX | I.I. SELIG & SONS LTD. | PWRC | ||
| 54 | IISX | I.I. Selig & Sons Ltd. | added 10/1968; 4/1970; eliminated 10/1970 | NAKINA | |
| 55 | IITN | INTERSTATE INTERMODAL TRANSPORT INC | SCAC4 | ||
| 56 | IITR | INTERNATIONAL TRANSPORT SERVCES LLC | SCAC4 | ||
| 57 | IIZ | ISSAQUAH INDUSTRY | PWRC |