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
U0 U1 U2 U3 U4 U5 U6 U7 U8 U9 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
USA USB USC USD USE USF USG USH USI USJ USK USL USM USN USO USP USQ USR USS UST USU USV USW USX USY
USRA USRC USRD USRE USRF USRI USRL USRP USRS USRT USRV USRX USRZ
1 USRX United States Rubber Co. 7/1923-7/1937   NAKINA
2 USRX United States Rubber Products, Inc. 4/1938   NAKINA
3 USRX United States Rubber Co. 1/1941-10/1966; eliminated 7/1967   NAKINA
4 USRX Uniroyal, Inc. added 7/1967; eliminated 4/1968   NAKINA
5 USRX U.S. Railcar, Inc. 1/1994 (not listed)   NAKINA
6 USRX US Railways Inc. added 10/2003; eliminated 1/2004; 7/2005 (not listed)   NAKINA
7 USRX United States Rubber Products, Inc. Apr-38   NRHS
8 USRX United States Rubber Co. 1/52-10/66; eliminated 7/67   NRHS
9 USRX Uniroyal, Inc. added 7/67; eliminated 4/68   NRHS
10 USRX U.S. Railcar, Inc. Jan-94   NRHS
11 USRX *UNIROYAL, INC. [UNITED STATES RUBBER CO.]     PWRC
12 USRX *U. S. ROAD & RAIL - MELVINDALE INC.     PWRC
13 USRX +U. S. RAILWAYS, INC. [U.S. RAILCAR, INC.]     PWRC
14 USRX US Railways     RSRV
15 USRX US RAILWAYS INC     SCAC4