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
PSOA PSOC PSOE PSOH PSOI PSOL PSOM PSON PSOQ PSOS PSOT PSOU PSOX PSOZ
1 PSOX Puget Sound Power & Light Co. added 1/1970; 4/1970-7/2000; eliminated 7/2002; 7/2005 (not listed)   NAKINA
2 PSOX Peerless Oil & Refining Co. 7/1930   NAKINA
3 PSOX Puget Sound Power & Light Co. added 1/70; 4/70-7/2000   NRHS
4 PSOX *PEERLESS OIL & REFINING CO.     PWRC
5 PSOX *PUGET SOUND POWER & LIGHT CO.     PWRC
6 PSOX Puget Sound Power and Light     RSRV