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
UCBC UCBX UCBZ
1 UCBX United Carbon Co., Inc. 7/1935-4/1961; eliminated 10/1963   NAKINA
2 UCBX United Carbon Co. added 10/1963; 7/1965-10/1966; eliminated 1/1969   NAKINA
3 UCBX Ashland Chemical Co., Division of Ashland Oil & Refining Co., Carbon Black & Synthetic Rubber Division added 1/1969; 4/1970; eliminated 4/1971   NAKINA
4 UCBX Ashland Chemical Co., Division of Ashland Oil Inc., Carbon Black & Synthetic Rubber Division added 4/1971; eliminated 7/1971   NAKINA
5 UCBX Ashland Chemical Co., Division of Ashland Oil Inc. added 7/1971; 1/1975; eliminated 1/1976   NAKINA
6 UCBX United Carbon Co., Inc. 4/38-10/66; eliminated 1/69   NRHS
7 UCBX Ashland Chemical Co., Division of Ashland Oil & Refining Co., Carbon Black & Synthetic Rubber Division added 1/69; 4/70; eliminated 4/71   NRHS
8 UCBX Ashland Chemical Co., Division of Ashland Oil Inc., Carbon Black & Synthetic Rubber Division added 4/71   NRHS
9 UCBX Ashland Chemical Co., Division of Ashland Oil Inc. Jan-75   NRHS
10 UCBX ASHLAND CHEMICAL CO., CARBON BLACK & SYNTHETIC RUBBER DIV. [UNITED CARBON CO.]     PWRC