Company prefixes

 
 
8 9 A B C D E F G H I J K L M N O Ø P Q R S T U V W X Y Z
R& R4 RA RB RC RD RE RF RG RH RI RJ RK RL RM RN RO RØ RP RQ RR RS RT RU RV RW RX RY RZ
RUA RUB RUC RUD RUE RUF RUG RUH RUI RUJ RUK RUL RUM RUN RUO RUP RUQ RUR RUS RUT RUW RUX RUZ
RUXI RUXT
1 RUX The Ruberoid Co. 7/1935-1/1945; added 10/1956; 10/1957-4/1961; eliminated 10/1963   NAKINA
2 RUX The Ruberoid Co. 4/38 & 10/57-4/61   NRHS
3 RUX RUBEROID CO.     PWRC
4 RUXI ROUTEX INTERNATIONAL     SCAC4
5 RUXT RUXTONS EXPRESS     SCAC3