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
PTA PTB PTC PTD PTE PTF PTG PTH PTI PTJ PTK PTL PTM PTN PTO PTP PTQ PTR PTS PTT PTU PTV PTW PTX PTY PTZ
PTCA PTCB PTCC PTCE PTCG PTCI PTCJ PTCL PTCM PTCN PTCO PTCP PTCQ PTCS PTCT PTCU PTCV PTCW PTCX PTCY PTCZ
1 PTCX Texas Petrochemicals Corp. added 1/1985; added 10/1986   NAKINA
2 PTCX Petro-Tex Chemical Corp. added 1/1975; 1/1975-1/1980; eliminated 1/1985   NAKINA
3 PTCX Peoples Transportation Co. added 1/1964; 7/1965; eliminated 7/1966   NAKINA
4 PTCX Poultry Transit Co., Inc. 1/1950   NAKINA
5 PTCX Poultry Transit Co. 1/1945-4/1947   NAKINA
6 PTCX Peoples Transportation Co. 7/65; eliminated 7/66   NRHS
7 PTCX Petro-Tex Chemical Corp. added 1/75; 1/75-1/80; eliminated 1/85   NRHS
8 PTCX Texas Petrochemicals Corp. added 1/85; added 10/86   NRHS
9 PTCX *POULTRY TRANSIT CO., INC.     PWRC
10 PTCX *PEOPLES TRANSPORTATION CO.     PWRC
11 PTCX *TEXAS PETROCHEMICALS CORP. [PETRO-TEX CHEMICAL CORP.]     PWRC
12 PTCX PEOPLES TRANSPORTATION CO     SCAC3