Real world company prefixes
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UA UB UC UD UE UF UG UH UI UJ UK UL UM UN UO UP UQ UR US UT UU UV UW UX UY UZ
UIA UIB UIC UID UIE UII UIL UIM UIN UIQ UIS UIT UIV UIW UIZ
UA UB UC UD UE UF UG UH UI UJ UK UL UM UN UO UP UQ UR US UT UU UV UW UX UY UZ
UIA UIB UIC UID UIE UII UIL UIM UIN UIQ UIS UIT UIV UIW UIZ
| 1 | UIAW | UIA WORLDWIDE LOGISTICS INC | SCAC4 | ||
| 2 | UIBU | UNION INTERNATIONAL BITUMEN FACTORY | SCAC4 | ||
| 3 | UIC | Utah Idaho Central R.R. | 4/38-1/52 | NRHS | |
| 4 | UIC | *UTAH IDAHO CENTRAL RAILROAD CO. | PWRC | ||
| 5 | UIC | *MARCHEM LTD | PWRC | ||
| 6 | UIC | Utah Idaho Central R.R. Co. | 7/1923-7/1936 | NAKINA | |
| 7 | UIC | Utah Idaho Central R.R. | 4/1938-7/1954 | NAKINA | |
| 8 | UICC | UNITED INDUSTRIAL SERVICES | SCAC4 | ||
| 9 | UICO | UNITED BRIDGE TRANSPORTATION LLC | SCAC4 | ||
| 10 | UICQ | UNDERWOOD INDUSTRIAL CONTRACTORS IN | SCAC4 | ||
| 11 | UIDS | UNITED STATIONERS SUPPLY CO | SCAC4 | ||
| 12 | UIET | UNITED TRANSPORT LLC | SCAC4 | ||
| 13 | UIID | UNICORN INDUSTRIES INC | SCAC4 | ||
| 14 | UIIN | US INTERMODAL INC | SCAC4 | ||
| 15 | UILC | UNITED INTERMODAL LLC | SCAC4 | ||
| 16 | UIME | U & I MOVERS EXPRESS | SCAC4 | ||
| 17 | UIMW | UNITED INTERNATIONAL MANAGEMENT LTD | SCAC4 | ||
| 18 | UIMX | UNITED IRON & METAL LLC | PWRC | ||
| 19 | UIMX | United Iron & Metal LLC | 7/2005 (not listed) | NAKINA | |
| 20 | UIMX | UNITED IRON & METAL LLC | SCAC4 | ||
| 21 | UINC | UNICOVER INC | SCAC4 | ||
| 22 | UINL | UNITRANS INTERNATIONAL INC | SCAC4 | ||
| 23 | UINR | UNITRANS INC | SCAC4 | ||
| 24 | UIQC | UNIVERSAL CARGO MANAGEMENT INC | SCAC4 | ||
| 25 | UISI | UNITED INDUSTRIAL SUPPLY (1985) INC | SCAC4 | ||
| 26 | UISN | UIS TRANSPORTATION INC | SCAC4 | ||
| 27 | UISZ | USCO UNDUSTRY SASKATHEWAN | PWRC | ||
| 28 | UITA | UNITED INTERMODAL TRANSPORT INC | SCAC4 | ||
| 29 | UITK | UNIFIED INTERMODAL TRANSPORT INC | SCAC4 | ||
| 30 | UITT | U.S. TRANS TECH, INC | SCAC1 | ||
| 31 | UITT | US TRANS TECH | SCAC4 | ||
| 32 | UIVL | UMUGISHA INVESTMENT LLC | SCAC4 | ||
| 33 | UIVQ | UNIVERSITY MOVING & STORAGE | SCAC4 | ||
| 34 | UIWX | Union Iron Works, subsidiary of Riley Stoker Corp. | added 1/68; eliminated 4/70 | NRHS | |
| 35 | UIWX | RILEY STOKER CORP. [UNION IRON WORKS] | PWRC | ||
| 36 | UIWX | Union Iron Works, subsidiary of Riley Stoker Corp. | added 1/1968; eliminated 4/1970 | NAKINA | |
| 37 | UIWX | Riley Stoker Corp. | added 4/1970; 4/1970-1/1994; eliminated 7/1998 | NAKINA | |
| 38 | UIWX | Riley Stoker Corporation | RSRV | ||
| 39 | UIWX | Riley Stoker Corp. | added 4/70; 4/70-1/94; eliminated 7/98 | NRHS | |
| 40 | UIZ | ULEN INDUSTRIES | PWRC |