| 1 | PTP | Package Express | Callsign: Trans Pacific, | PAL | AVCODES |
| 2 | PTP | Palau Trans Pacific Airline | IATA: GP | | ICAO1 |
| 3 | PTPB | PRODUCTIVE TRANSPORTATION SERVICES | | | SCAC3 |
| 4 | PTPB | PRODUCTIVE TRANSPORTATION SERVICES | | | SCAC4 |
| 5 | PTPC | PREMIUM TRANSPORTATION CO | | | SCAC3 |
| 6 | PTPC | PRESSEAULT, PAUL TRUCKING | | | SCAC4 |
| 7 | PTPD | PETERSON PRODUCE INC | | | SCAC4 |
| 8 | PTPE | PATRIOT TRANSPORTATION INC | | | SCAC3 |
| 9 | PTPF | PETROLEUM TRANSPORT LINES INC | | | SCAC3 |
| 10 | PTPF | PETROLEUM TRANSPORT LINES INC | | | SCAC4 |
| 11 | PTPG | PINTO TRANSFER & PACKING CORP | | | SCAC4 |
| 12 | PTPH | POINT TO POINT INC | | | SCAC3 |
| 13 | PTPI | PARIS TRANSPORT, INC | | | SCAC3 |
| 14 | PTPI | PARIS TRANSPORT INC | | | SCAC4 |
| 15 | PTPJ | POINT TO POINT INC | | | SCAC3 |
| 16 | PTPK | P T L A TRANSPORTATION INC | | | SCAC3 |
| 17 | PTPK | PERKINS T P TRAILERS | | | SCAC4 |
| 18 | PTPL | PRESTON TRANSPORT LTD | | | SCAC3 |
| 19 | PTPL | PRESTON TRANSPORT LTD | | | SCAC4 |
| 20 | PTPM | PATSY TRANSPORTATION INC | | | SCAC3 |
| 21 | PTPO | PETROLEUM TRANSPORT INC | | | SCAC3 |
| 22 | PTPO | PETROLEUM TRANSPORT INC | | | SCAC4 |
| 23 | PTPP | PONDEROSA TRANSPORTATION (DIV OF PO | | | SCAC3 |
| 24 | PTPQ | PRO TRANSPORTATION SERVICES INC | | | SCAC4 |
| 25 | PTPR | PIONEER TRANSPORTATION | | | SCAC3 |
| 26 | PTPS | PAPER TRANSPORTATION SPECIALISTS IN | | | SCAC3 |
| 27 | PTPT | PARK TRANSPORTATION CO | | | SCAC3 |
| 28 | PTPU | PETROLAND | | | SCAC3 |
| 29 | PTPV | PORT TO PORT INC | | | SCAC3 |
| 30 | PTPV | PORT TO PORT INC | | | SCAC4 |
| 31 | PTPW | PIONEER TRANSPORT, INC | | | SCAC3 |
| 32 | PTPW | PIONEER TRANSPORT INC | | | SCAC4 |
| 33 | PTPY | PORTS PETROLEUM CO INC | | | SCAC4 |
