Real world company prefixes
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Y2 YA YB YC YD YE YF YG YH YI YJ YK YL YM YN YO YP YR YS YT YU YV YW YX YY YZ
YDC YDH YDI YDK YDL YDR YDS YDT YDW
YDCS YDCX
Y2 YA YB YC YD YE YF YG YH YI YJ YK YL YM YN YO YP YR YS YT YU YV YW YX YY YZ
YDC YDH YDI YDK YDL YDR YDS YDT YDW
YDCS YDCX
| 1 | YDC | YANKEE DOT CORP. | PWRC | ||
| 2 | YDCS | YAZICI DEMIR CELIK SANAYI VE TURIZM | SCAC4 | ||
| 3 | YDCX | Yankeetown Dock Corp. | added 7/79; 1/80; eliminated 1/80 | NRHS | |
| 4 | YDCX | *YANKEETOWN DOCK CORP. | PWRC | ||
| 5 | YDCX | +PEABODY COALSALES CO. | PWRC | ||
| 6 | YDCX | Yankeetown Dock Corp. | added 7/1979; 1/1980; eliminated 1/1980 | NAKINA | |
| 7 | YDCX | Peabody Coalsales Co. | added 7/2005; 7/2005 | NAKINA | |
| 8 | YDCX | PEABODY COALSALES COMPANY | SCAC4 |