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
PCA PCB PCC PCD PCE PCF PCG PCH PCI PCJ PCK PCL PCM PCN PCO PCP PCQ PCR PCS PCT PCU PCV PCW PCX PCY PCZ
PCMA PCMB PCMC PCMD PCME PCMG PCMI PCMK PCML PCMN PCMO PCMQ PCMR PCMS PCMT PCMU PCMW PCMX PCMZ
1 PCMX Petro-Chem Marketing Co. added 7/1968; 4/1970-1/1980; eliminated 4/1992   NAKINA
2 PCMX Petro-Chem Marketing, Inc. added 1/1965; 7/1965-10/1966; eliminated 7/1968   NAKINA
3 PCMX Petro-Chem Marketing, Inc. added 1/65; 7/65-10/66; eliminated 7/68   NRHS
4 PCMX Petro-Chem Marketing Co. added 7/68; 4/70-1/80; eliminated 4/92   NRHS
5 PCMX RETIRED 02-18-92 ATP (1462) [PETRO-CHEM MARKETING CO.]     PWRC
6 PCMX Petro-Chem Marketing     RSRV
7 PCMX PETRO-CHEM MARKETING INC     SCAC3