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
C& C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF CG CH CI CJ CK CL CM CN CO CP CQ CR CS CT CU CV CW CX CY CZ
CPA CPB CPC CPD CPE CPF CPG CPH CPI CPJ CPK CPL CPM CPN CPO CPP CPQ CPR CPS CPT CPU CPV CPW CPX CPY CPZ
CPHA CPHC CPHD CPHE CPHF CPHG CPHH CPHI CPHK CPHL CPHM CPHO CPHP CPHQ CPHR CPHS CPHT CPHU CPHV CPHW CPHX
1 CPHX Ontario Power Generation Inc. added 4/2001; eliminated 10/2002; 7/2005 (not listed)   NAKINA
2 CPHX Ontario Hydro 1/1980; added 5/1983; 1/1994-7/2000; eliminated 4/2001   NAKINA
3 CPHX Ontario Hydro 1/80; added 5/83; 1/94-7/2000; eliminated 4/2001   NRHS
4 CPHX Ontario Power Generation Inc. added 4/2001   NRHS
5 CPHX ONTARIO POWER GENERATION INC. [ONTARIO HYDRO]     PWRC
6 CPHX Ontario Hydro (Ontario Power Generation)     RSRV
7 CPHX ONTARIO HYDRO     SCAC4