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
UOA UOB UOC UOE UOG UOI UOK UOL UOM UON UOP UOS UOT UOU
UOKX
1 UOKX Union Oil Co. of Canada, Ltd. (Union Oil Co. of California) 7/1930-7/1935   NAKINA
2 UOKX Union Oil Co. of Canada, Ltd. 7/1937-1/1945   NAKINA
3 UOKX British American Oil Co. Ltd. 1/1946-4/1947   NAKINA
4 UOKX Union Oil Co. of Canada Ltd. (Union Oil Co. of California) Apr-38   NRHS
5 UOKX BRITISH AMERICAN OIL CO. [UNION OIL CO.]     PWRC