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
PGA PGB PGC PGD PGE PGF PGG PGH PGI PGJ PGK PGL PGM PGN PGO PGP PGR PGS PGT PGU PGV PGW PGX PGY PGZ
PGSB PGSD PGSE PGSF PGSI PGSJ PGSL PGSM PGSN PGSQ PGSS PGST PGSU PGSV PGSX PGSY
1 PGSX Apex Tank Car Line added 4/1963; 7/1965-1/1975; eliminated 10/1976; 1/1980   NAKINA
2 PGSX Propane Gas Service, Inc. 1/1952-4/1961; eliminated 4/1963   NAKINA
3 PGSX Propane Gas Service, Inc. 1/52-4/61   NRHS
4 PGSX Apex Tank Car Line 7/65-1/80   NRHS
5 PGSX *PROPANE GAS SERVICE, INC.     PWRC
6 PGSX *APEX TANK CAR LINE     PWRC
7 PGSX *PROGRESSIVE RAIL, INC.     PWRC