Real world company prefixes

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M n O P Q R S T U V W X Y Z Ø
W& W1 W2 W3 W4 W5 W6 W7 W8 W9 WA WB WC WD WE WF WG WH WI WJ WK WL WM WN WO WP WQ WR WS WT WU WV WW WX WY WZ
WUA WUB WUC WUD WUE WUK WUL WUO WUP WUR WUS WUT
WUTQ WUTX
1 WUTX Western Union Telegraph Co. 7/1937-4/1961 (not listed)   NAKINA
2 WUTX Western Union Telegraph Co. 1/52-4/61   NRHS
3 WUTX *WESTERN UNION TELEGRAPH CO.     PWRC
4 WUTX *WASHINGTON UTILITIES & TRANSP. COMMN. (SCALE TEST CARS)     PWRC
5 WUTX Washington Utilities and Transportation Commission     RSRV
6 WUTX WASH UTILITIES & TRANSP COMM (SCALE     SCAC4