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
UCOI UCOP UCOX
1 UCOX Union Carbide Corp., Chemicals Division added 7/1964; 7/1965-10/1966; eliminated 10/1967   NAKINA
2 UCOX Union Carbide Corp., Chemicals and Plastics added 10/1967; eliminated 1/1968   NAKINA
3 UCOX Union Carbide Corp., Chemicals and Plastics Operations Division added 1/1968; 4/1970-1/1975; eliminated 1/1979   NAKINA
4 UCOX Union Carbide Corp., Chemicals and Plastics Division added 1/1979; 1/1980; eliminated 7/1980   NAKINA
5 UCOX Union Carbide Corp. added 7/1980; eliminated 10/1980   NAKINA
6 UCOX Union Carbide Corp., Chemicals and Plastics Division added 10/1980; eliminated 5/1983   NAKINA
7 UCOX Union Carbide Corp. added 5/1983   NAKINA
8 UCOX Union Carbide Corp., Chemicals and Plastics Co., Inc. eliminated 1/1993   NAKINA
9 UCOX Praxair, Inc. added 1/1993; 1/1994; eliminated 4/1996; 7/2000 (not listed); 7/2005   NAKINA
10 UCOX Union Carbide Corp., Chemicals Division added 7/64; 7/65-10/66; eliminated 10/67   NRHS
11 UCOX Union Carbide Corp., Chemicals and Plastics added 10/67; eliminated 1/68   NRHS
12 UCOX Union Carbide Corp., Chemicals and Plastics Operations Division added 1/68; 4/70-1/75; eliminated 1/79   NRHS
13 UCOX Union Carbide Corp., Chemicals and Plastics Division added 1/79; 1/80; eliminated 7/80   NRHS
14 UCOX Union Carbide Corp. added 7/80; eliminated 10/80   NRHS
15 UCOX Union Carbide Corp., Chemicals and Plastics Division added 10/80; eliminated 5/83   NRHS
16 UCOX Union Carbide Corp. added 5/83   NRHS
17 UCOX Union Carbide Corp., Chemicals and Plastics Co., Inc. eliminated 1/93   NRHS
18 UCOX Praxair, Inc. added 1/93; 1/94; eliminated 4/96; 7/2000   NRHS
19 UCOX PRAXAIR, INC. [UNION CARBIDE CORP.]     PWRC
20 UCOX Union Carbide Corporation     RSRV
21 UCOX PRAXAIR INC     SCAC4