# List of reporting marks: P

Note: Marks ending in U are for container owners; marks ending in X are not common carriers; marks ending in Z are for trailers without flanged wheels. All other marks are of common-carrier railroads.

## P

* PACY - Prairie Central Railway
* PAE - Peoria and Eastern Railway; Conrail
* PAL - Paducah and Louisville Railway
* PAM - Pittsburgh, Allegheny and McKees Rocks Railroad
* PARX - Pan American Railway Company
* PARY - Prairie Trunk Railway
* PAS - Pan Am Southern
* PAUT - Pennsylvania and Atlantic Railroad; Conrail
* PAXX - Passenger Railcar Services Corporation
* PBFX - IBP, Inc.; Tyson Foods
* PBL - Philadelphia Belt Line Railroad
* PBLX - Pillsbury
* PBNE - Philadelphia, Bethlehem and New England Railroad
* PBR - Patapsco and Back Rivers Railroad
* PBRR - Prairie Belt Railroad
* PBVR - Port Bienville Railroad
* PC - Penn Central; Norfolk Southern
* PCA - Penn Central; Norfolk Southern
* PCB - Penn Central; Norfolk Southern
* PCCX - Peabody Coal Company
* PCEX - GE Rail Services
* PCFX - Pacific Car and Foundry Company
* PCIX - Shippers Car Line; ACF Industries
* PCMX - Petro-Chem Marketing Company
* PCN - Point Comfort and Northern Railway
* PCRC - Panama Canal Railway Company; Kansas City Southern Railway
* PCSX - GE Rail Services
* PCTX - Pioneer Cement Company of Texas
* PCY - Pittsburgh, Chartiers and Youghiogheny Railway
* PDQX - Castle Capital Corporation
* PE - Pacific Electric Railway; Conrail
* PECX - Pekin Energy Company
* PENX - Penford Products Company
* PEPX - Potomac Electric Power Company
* PER - Port Everglades Railway
* PF - Pioneer and Fayette Railroad
* PFE - Pacific Fruit Express; Union Pacific Railroad
* PFM - Power, Fluid & Metals
* PGDX - Procter and Gamble Manufacturing Company
* PGE - Pacific Great Eastern Railway; British Columbia Railway; Canadian National Railway
* PGER - Pacific Great Eastern Railway; British Columbia Railway; Canadian National Railway
* PGEX - Portland General Electric Company
* PGHX - Trinity Rail Management, Inc.
* PGMX - Procter and Gamble Manufacturing Company
* PGR - Progressive Rail
* PHCR - Port Colborne Harbour Railway
* PHD - Port Huron and Detroit Railroad; Chessie System; CSX Transportation
* PHL - Pacific Harbor Line
* PI - Paducah and Illinois Railroad
* PICK - Pickens Railroad
* PINX - Pinnacle Polymers
* PJR - Port Jersey Railroad
* PLCX - Pullman Leasing Company; GE Capital Railcar Services
* PLE - Pittsburgh and Lake Erie Railroad; New York Central Railroad; Penn Central; Conrail; CSX Transportation (after Conrail breakup)
* PLEX - PLM, Inc.
* PLLU - Polynesia Line
* PLLZ - Polynesia Line
* PLMX - PLM International
* PLWX - GE Capital Railcar Services
* PM - Pere Marquette Railway; Chesapeake and Ohio Railway; Chessie System; CSX Transportation
* PMLX - Prairie Malt, Ltd.
* PMRX - Progress Metal Reclamation Company
* PN - Piedmont and Northern Railway; Seaboard Coast Line; CSX Transportation
* PN - Pennsylvania Northeastern Railroad
* PNRW - Piedmont and Northern Railway (division of Patriot Rail Corporation)
* PNWR - Portland and Western Railroad
* PNWX - PNW Railcars, Inc.
* POHC - Pittsburgh and Ohio Central Railroad
* POTB - Port of Tillamook Bay Railroad
* PPAX - PCS Phosphate Company
* PPCX - American Association of Private Railroad Car Owners
* PPGX - PPG Industries, Inc.
* PPHX - PCS Phosphate Company
* PPLX - Pennsylvania Power and Light Company
* PPNX - PCS Phosphate Company
* PPRX - Phillips Petroleum Company
* PPU - Peoria and Pekin Union Railway
* PRCX - 20th Century Fox
* PRGX - ProGold, LLC
* PRL - Penn Eastern Rail Lines, Inc.; East Penn Railway
* PRLX - Progress Rail Services Corporation
* PRMU - Puerto Rican Maritime Shipping Authority
* PROX - Procor
* PRR - Pennsylvania Railroad; Penn Central; Norfolk Southern
* PRRX - Norfolk Southern
* PRSL - Pennsylvania-Reading Seashore Lines; Norfolk Southern
* PRSX - Progress Rail Services Corporation
* PS - Pittsburg and Shawmut Railroad
* PSCX - Public Service Company of Colorado
* PSL - Peabody Short Line; Illinois Central Railroad; Canadian National Railways
* PSPX - Phillips Petroleum Company
* PSR - Pittsburg and Shawmut Railroad
* PTM - Portland Terminal Company; Maine Central Railroad; Pan Am Railways
* PTEX - Canpotex
* PTLX - Pullman Transport Leasing; GE Rail Services
* PW - Providence and Worcester Railroad