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
PTOA PTOB PTOC PTOD PTOE PTOG PTOH PTOI PTOJ PTOK PTOL PTOM PTON PTOO PTOP PTOQ PTOS PTOT PTOU PTOW PTOX PTOY PTOZ
1 PTOX PTO Rail, Inc. 7/2005 (not listed)   NAKINA
2 PTOX PTO, Inc. added 4/1986; 1/1994-7/2000; eliminated 7/2004   NAKINA
3 PTOX Pittsburgh-Texas Oil and Gas Co. 8/1920   NAKINA
4 PTOX PTO, Inc. added 4/86; 1/94-7/2000   NRHS
5 PTOX *PITTSBURGH-TEXAS OIL & GAS CO.     PWRC
6 PTOX +PTO RAIL, INC. [PTO INCORPORATED]     PWRC
7 PTOX PTO Rail     RSRV
8 PTOX PTO RAIL LLC     SCAC4