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
PMA PMB PMC PMD PME PMF PMG PMH PMI PMJ PMK PML PMM PMN PMO PMP PMQ PMR PMS PMT PMU PMV PMW PMX PMY PMZ
PMCA PMCB PMCC PMCD PMCF PMCG PMCH PMCJ PMCK PMCL PMCM PMCN PMCO PMCP PMCQ PMCR PMCS PMCT PMCU PMCV PMCW PMCX PMCY
1 PMCX Plateau Mining Co. added 7/1979; 1/1980; eliminated 4/1987; 1/1994 (not listed)   NAKINA
2 PMCX Peterson Manufacturing Co., Inc. 1/1950-10/1957; eliminated 10/1959   NAKINA
3 PMCX Paper Makers Chemical Corp., Ltd. 7/1937-4/1938   NAKINA
4 PMCX Paper Makers Chemical Corp. 7/1930-7/1935   NAKINA
5 PMCX Western Paper Makers Chemical Co. 8/1920-7/1923   NAKINA
6 PMCX Paper Makers Chemical Corp., Ltd. Apr-38   NRHS
7 PMCX Peterson Manufacturing Co., Inc. 1/52-10/57; eliminated 10/59   NRHS
8 PMCX Plateau Mining Co. added 7/79; 1/80; eliminated 4/87; 1/94   NRHS
9 PMCX *PAPER MAKERS CHEMICAL CORP., LTD. [WESTERN PAPER MAKERS CHEMICAL CO.]     PWRC
10 PMCX *PETERSON MANUFACTURING CO., INC.     PWRC
11 PMCX *PLATEAU MINING COMPANY     PWRC