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
P& P0 P1 P2 P3 P4 P5 P6 P7 P8 P9 PA PB PC PD PE PF PG PH PI PJ PK PL PM PN PO PP PQ PR PS PT PU PV PW PX PY PZ
PSA PSB PSC PSD PSE PSF PSG PSH PSI PSJ PSK PSL PSM PSN PSO PSP PSQ PSR PSS PST PSU PSV PSW PSX PSY PSZ
PSCA PSCB PSCC PSCF PSCG PSCH PSCI PSCK PSCL PSCM PSCN PSCP PSCQ PSCR PSCS PSCT PSCU PSCV PSCX PSCY PSCZ
1 PSCX Xcel Energy added 1/2006; eliminated 1/2008   NAKINA
2 PSCX Public Service Co. of Colorado added 4/1973; 1/1975-7/2000; eliminated 10/2002; 7/2005 (not listed)   NAKINA
3 PSCX Prolerized Steel Corp. added 7/1960; 4/1961-10/1966; eliminated 10/1969   NAKINA
4 PSCX Prolerized Steel Corp. added 7/60; 4/61-10/66; eliminated 10/69   NRHS
5 PSCX Public Service Co. of Colorado added 4/73; 1/75-1/80   NRHS
6 PSCX Public Services Co. of Colorado 1/94-7/2000   NRHS
7 PSCX *PROLERIZED STEEL CORP.     PWRC
8 PSCX +XCEL ENERGY [PUBLIC SERVICE COMPANY OF COLORADO]     PWRC
9 PSCX Public Service of Colorado     RSRV
10 PSCX PROLERIZED STEEL CORP     SCAC3
11 PSCX XCEL ENERGY     SCAC4