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
UCA UCB UCC UCD UCE UCF UCG UCH UCI UCK UCL UCM UCN UCO UCP UCR UCS UCT UCU UCV UCW UCX
UCMI UCMR UCMX
1 UCMX United Commercial Co., Inc. 7/1930-4/1938   NAKINA
2 UCMX United Clays, Inc. added 7/1990; 1/1994-7/2000; eliminated 1/2002; 7/2005 (not listed)   NAKINA
3 UCMX United Commercial Co., Inc. Apr-38   NRHS
4 UCMX United Clays, Inc. added 7/90; 1/94-7/2000   NRHS
5 UCMX UNITED CLAYS, INC.     PWRC
6 UCMX United Clays     RSRV