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
PIA PIB PIC PID PIE PIF PIG PIH PII PIJ PIK PIL PIM PIN PIO PIP PIQ PIR PIS PIT PIU PIV PIW PIX PIZ
PIOA PIOB PIOC PIOE PIOF PIOH PIOI PIOK PIOL PIOM PION PIOO PIOP PIOS PIOT PIOU PIOV PIOW PIOX PIOY
1 PIOX Pioneer Iron & Metal Co. added 4/1971; 1/1975; eliminated 7/1979   NAKINA
2 PIOX Pioneer Iron & Metal Co. added 4/71; 1/75; eliminated 7/79   NRHS
3 PIOX PIONEER AMERICAS, INC. [PIONEER IRON & METAL CO.]     PWRC