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
R& R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 RA RB RC RD RE RF RG RH RI RJ RK RL RM RN RO RP RQ RR RS RT RU RV RW RX RY RZ RØ
RUA RUB RUC RUD RUE RUF RUG RUH RUI RUJ RUK RUL RUM RUN RUO RUP RUQ RUR RUS RUT RUU RUV RUW RUX RUZ
RUDD RUDE RUDH RUDI RUDJ RUDK RUDL RUDN RUDO RUDP RUDQ RUDR RUDS RUDT RUDV RUDX
1 RUDX Ruddy Tank Car Co. added 10/1968; 4/1970-7/2000; eliminated 4/2005; 7/2005 (not listed)   NAKINA
2 RUDX Reid's Union Dairy, Inc. 7/1935   NAKINA
3 RUDX Ruddy Tank Car Co. added 10/68; 4/70-7/2000   NRHS
4 RUDX RUDDY TANK CAR COMPANY     PWRC
5 RUDX Ruddy Tank Car     RSRV
6 RUDX RUDDY TANK CAR COMPANY     SCAC4