| 9401 | PTEO | PETERSON OIL COMPANY INC | | | SCAC4 |
| 9402 | PTEP | P T L EXPRESS | | | SCAC3 |
| 9403 | PTEP | P T L EXPRESS | | | SCAC4 |
| 9404 | PTEQ | PETERSENS TRUCK SERVICE | | | SCAC3 |
| 9405 | PTER | PETERSON, SONNY TRUCKING INC | | | SCAC4 |
| 9406 | PTES | POTTLES TRANSPORTATION INC | | | SCAC3 |
| 9407 | PTES | POTTLES TRANSPORTATION LLC | | | SCAC4 |
| 9408 | PTEV | PORT EVERGLADES TOWING INC | | | SCAC3 |
| 9409 | PTEV | PORT EVERGLADES TOWING INC | | | SCAC4 |
| 9410 | PTEX | General Electric Rail Services Corp. | added 1/2000; 7/2000-7/2005 | | NAKINA |
| 9411 | PTEX | General Electric Railcar Services Corp. | added 1/1984; 1/1994; eliminated 1/2000 | | NAKINA |
| 9412 | PTEX | North American Car Corp. | added 1/1976; 1/1980; eliminated 1/1984 | | NAKINA |
| 9413 | PTEX | North American Car (Canada) Ltd. | added 1/1975; 1/1975; eliminated 1/1976 | | NAKINA |
| 9414 | PTEX | North American Car (Canada) Ltd. | added 1/75; 1/75 | | NRHS |
| 9415 | PTEX | North American Car Corp. | Jan-80 | | NRHS |
| 9416 | PTEX | General Electric Railcar Services Corp. | 1/94; eliminated 1/2000 | | NRHS |
| 9417 | PTEX | General Electric Rail Services Corp. | added 1/2000; 7/2000 | | NRHS |
| 9418 | PTEX | *CANPOTEX | | | PWRC |
| 9419 | PTEX | +(NATX) GENERAL ELECTRIC RAIL SERVICES CORPORATION | | | PWRC |
| 9420 | PTEX | Canpotex | | | RSRV |
| 9421 | PTEX | GENERAL ELECTRIC RAILCAR SERVICES C | | | SCAC4 |
| 9422 | PTEX | North American Car Corp. | | USA | TRAFFIC |
| 9423 | PTEZ | PROLER TERMINAL 115 | | | PWRC |
| 9424 | PTF | Prest'affair | Callsign: Prest-Affair, | F | AVCODES |
| 9425 | PTF | Petroff Air, LLC | Callsign: Petroff, | RUS | AVCODES |
| 9426 | PTFA | PIONEER TRANSFER INC | | | SCAC3 |
| 9427 | PTFC | PARMALEE TRANSFER COMPANY INC | | | SCAC3 |
| 9428 | PTFD | PMF TRANSPORTATION CORP | | | SCAC4 |
| 9429 | PTFE | PTI TRANSPORTATION LLC | | | SCAC4 |
| 9430 | PTFH | POWERS TWENTY-FOUR (24) HOUR TOWING | | | SCAC3 |
| 9431 | PTFH | PHANTOM TRANSPORT | | | SCAC4 |
| 9432 | PTFI | PORTSIDE TRANSFER SYSTEMS INC | | | SCAC3 |
| 9433 | PTFI | PORT FISH PA LTD | | | SCAC4 |
| 9434 | PTFJ | PREMIER TRANSFER CORPORATION | | | SCAC3 |
| 9435 | PTFK | PNEUMATIC TRUCKING INC | | | SCAC4 |
| 9436 | PTFL | PIONEER TRANSFER LTD | | | SCAC3 |
| 9437 | PTFL | PIONEER TRANSFER LLC | | | SCAC4 |
| 9438 | PTFM | PATTERSON FARMS TRUCKING INC | | | SCAC3 |
| 9439 | PTFM | PETERSON FARMS | | | SCAC4 |
| 9440 | PTFQ | PHILIPP TRANSFER LINES INC | | | SCAC3 |
| 9441 | PTFR | PETROLEUM EXPRESS | | | SCAC4 |
| 9442 | PTFS | PATRON FREIGHT SYSTEMS | | | SCAC4 |
| 9443 | PTFT | PORTER FRT SYSTEMS | | | SCAC3 |
| 9444 | PTFW | PATRIOT FORWARDERS INC | | | SCAC3 |
| 9445 | PTG | Linea Aerea Del Sur, S.A. | IATA: LP, Changed to Lan Peru S.A. ICAO changed to LPE | PE | AVCODES |
| 9446 | PTG | Privatair GmbH | Callsign: Privatjet, Ceased operation on 05 December 2018. Ops Airbus A319 on airbus shuttle services | D | AVCODES |
| 9447 | PTG | Alsa PTG Tours | | E | TRAFFIC |
| 9448 | PTGA | PROGRESSIVE TRANSPORT INC | | | SCAC4 |
| 9449 | PTGB | POTTER TRANSPORT INC | | | SCAC3 |
| 9450 | PTGC | PTG AIR CARGO & | | | SCAC4 |
| 9451 | PTGD | PROFESSIONAL TRANSPORTATION GROUP L | | | SCAC3 |
| 9452 | PTGD | POKOLM TRUCKING LTD | | | SCAC4 |
| 9453 | PTGE | PRESTIGE TRANSPORT LLC | | | SCAC4 |
| 9454 | PTGF | PTG CORPORATE TRUCK FLEET (DIV OF P | | | SCAC3 |
| 9455 | PTGF | POTIGIAN TRANSFER INC | | | SCAC4 |
| 9456 | PTGG | PEYTONA GARAGE INC | | | SCAC3 |
| 9457 | PTGH | PARTIES TO GO | | | SCAC4 |
| 9458 | PTGI | PAT-GAR FREIGHT LINES INC | | | SCAC3 |
| 9459 | PTGI | PROMPT LOGISTICS | | | SCAC4 |
| 9460 | PTGJ | PORTSIDE TRUCKING CO | | | SCAC3 |
| 9461 | PTGL | PORTUGESE LINE | | | SCAC3 |
| 9462 | PTGL | PACIFIC TRANSPORTATION GROUP LTD | | | SCAC4 |
| 9463 | PTGO | PTG LOGISTICS LLC | | | SCAC4 |
| 9464 | PTGP | PEGASUS TRANSPORTATION GROUP INC | | | SCAC4 |
| 9465 | PTGQ | POINT TRANSPORT LLC | | | SCAC4 |
| 9466 | PTGS | PARR TRUCKING SERVICE INC | | | SCAC3 |
| 9467 | PTGS | PRISMTECH GRAPHICS LTD | | | SCAC4 |
| 9468 | PTGT | PRESTIGE TRANSPORTATION SYSTEMS INC | | | SCAC3 |
| 9469 | PTGV | PATCO TRUCKING INC | | | SCAC3 |
| 9470 | PTGV | PRIME TIME CARGO SERVICE | | | SCAC4 |
| 9471 | PTGW | PETTIGREW TRANSPORT INC | | | SCAC3 |
| 9472 | PTGY | POLK TRUCKING | | | SCAC4 |
| 9473 | PTH | Proteus Helicopters | IATA: HN, Callsign: Proteus, Name changed to INAER Helicopter France. | F | AVCODES |
| 9474 | PTH | INAER Helicopter France | IATA: HN, Callsign: Proteus, Name changed to Babcock Mission Critical Services France. Name changed from Proteus Helicopters. | F | AVCODES |
| 9475 | PTH | Babcock Mission Critical Services France | IATA: HN, Callsign: Proteus, Name changed from INAER Helicopter France. Previously name changed from Proteus Helicopters. | F | AVCODES |
| 9476 | PTH | Proteus Helicopteres | | | ICAO1 |
| 9477 | PTHA | PETRO HAULER INC | | | SCAC4 |
| 9478 | PTHB | PERFORMANCE TIRE SERVICE COMPANY | | | SCAC4 |
| 9479 | PTHD | PATHFINDER TRANSPORTATION LTD | | | SCAC3 |
| 9480 | PTHD | PRINCL TRUCKING LLC | | | SCAC4 |
| 9481 | PTHF | PATHFINDER (DIV OF TWTY) | | | SCAC3 |
| 9482 | PTHH | PRO-TECH RIGGING & HEAVY HAUL LTD | | | SCAC4 |
| 9483 | PTHI | PARKER TRUCKING AND HARVESTING INC | | | SCAC3 |
| 9484 | PTHI | PROUD 2 HAUL INC | | | SCAC4 |
| 9485 | PTHM | PATHFINDER TRUCK LINES | | | SCAC4 |
| 9486 | PTHO | PALMERS, TERRY HORSE TRANSPORTATION | | | SCAC3 |
| 9487 | PTHQ | PORT OF HOUSTON AUTHORITY | | | SCAC3 |
| 9488 | PTHQ | PASSENGER | | | SCAC4 |
| 9489 | PTHR | PRATHER TRANSFER | | | SCAC3 |
| 9490 | PTHR | PETERSSEN TRANSPORT | | | SCAC4 |
| 9491 | PTHS | PRUITT THOMPSON & SONS | | | SCAC3 |
| 9492 | PTHT | PANTHER TRANSPORTATION INC | | | SCAC3 |
| 9493 | PTHT | PANTHERS TRUCKING | | | SCAC4 |
| 9494 | PTHX | PORT TERMINAL RAILROAD OF HOUSTON | | | PWRC |
| 9495 | PTI | Privatair SA | Callsign: Privatair, Ceased operations on 05 December 2018. | CH | AVCODES |
| 9496 | PTI | Privatair | | | ICAO1 |
| 9497 | PTI | PrivatAir | | CH | TRAFFIC |
| 9498 | PTIA | PROCESSING TRANSPORTATION INC | | | SCAC3 |
| 9499 | PTIA | PIPETEL TECHNOLOGIES INC | | | SCAC4 |
| 9500 | PTIB | PERSONAL TRANSIT INC | | | SCAC3 |
