| 1 | PAP | Langtry Flying Group Ltd. | Callsign: Proflight, | GB | AVCODES |
| 2 | PAP | Angkasa Pura Perum | | RI | AVCODES |
| 3 | PAP | Langtry Flying Group | | | ICAO1 |
| 4 | PAPAS | Zarneni hrani 99 /\"Зърнени храни 99\" ЕАД | | BG | VKM |
| 5 | PAPB | PAPER BOARD TRUCKING CORP | | | SCAC3 |
| 6 | PAPC | PAPACHRISTIDIS (CANADA) LIMITED | | | SCAC3 |
| 7 | PAPC | PAPCO INC | | | SCAC4 |
| 8 | PAPD | P & A TRANSPORTATION INC | | | SCAC4 |
| 9 | PAPF | PAPER FIBRES CORPORATION | | | SCAC4 |
| 10 | PAPG | POINT ADAMS PACKING CO | | | SCAC3 |
| 11 | PAPI | PAPILLION TRANSFER | | | SCAC3 |
| 12 | PAPI | PAPINEAU INT S E C | | | SCAC4 |
| 13 | PAPM | PARAPORTI MARITIME CORPORATION | | | SCAC3 |
| 14 | PAPN | PICHE ALAIN TRANSPORT INC | | | SCAC3 |
| 15 | PAPO | PAPARATTO, LOUIS A | | | SCAC3 |
| 16 | PAPP | PAPP PLASTICS & DIST LTD | | | SCAC4 |
| 17 | PAPQ | PAPPAS CARTAGE CO | | | SCAC3 |
| 18 | PAPQ | PENINSULA ASPHALT PAVING INC | | | SCAC4 |
| 19 | PAPR | PAPER RECLAIM | | | SCAC3 |
| 20 | PAPR | PACIFIC ALLIED PRODUCTS LTD | | | SCAC4 |
| 21 | PAPS | PAPS TRUCKING INC | | | SCAC3 |
| 22 | PAPT | PAPER TRANSP | | | SCAC4 |
| 23 | PAPU | PASTRELLO AUTOTRASPORTI SRL | | | SCAC4 |
| 24 | PAPV | PAP SERVICES INC | | | SCAC3 |
| 25 | PAPX | Pennsylvania Pullmans Inc. | 7/2000-7/2005 (not listed) | | NAKINA |
| 26 | PAPX | Pennsylvania Pullmans Inc. | Jul-00 | | NRHS |
| 27 | PAPX | PENNSYLVANIA PULLMANS INC. | | | PWRC |
| 28 | PAPX | Pennsylvania Pullmans | | | RSRV |
| 29 | PAPX | PENNSYLVA | | | SCAC4 |
