| 1 | PPK | Ramp 66 | Callsign: Pelican, | USA | AVCODES |
| 2 | PPK | Ramp 66 | | | ICAO1 |
| 3 | PPK | PIKES PEAK TOURS & CHARTERS INC | | | SCAC4 |
| 4 | PPKC | PERFECT PAK COMPANY | | | SCAC3 |
| 5 | PPKD | PRIORITY PACKAGE DELIVERY | | | SCAC3 |
| 6 | PPKI | P & P TRUCKING | | | SCAC3 |
| 7 | PPKN | PIPKIN, RALPH TRUCKING | | | SCAC3 |
| 8 | PPKN | PROMPT TRUCKING | | | SCAC4 |
| 9 | PPKO | POPKO TRUCKING CO INC | | | SCAC3 |
| 10 | PPKQ | PASSPORT TRUCKING INC | | | SCAC4 |
| 11 | PPKSBB | PPKS Bialsko Biala | | PL | TRAFFIC |
| 12 | PPKWAR | PPKS w Warszawie | | PL | TRAFFIC |
| 13 | PPKX | North American Car Corp. | 7/1937-4/1947 | | NAKINA |
| 14 | PPKX | Palace Poultry Car Co. (Palace Live Poultry Car Co.) | 7/1930-7/1935 | | NAKINA |
| 15 | PPKX | (North American Car Corp.) | Apr-38 | | NRHS |
| 16 | PPKX | NORTH AMERICAN CAR CORP. [PALACE LIVE POULTRY CAR CO.] | | | PWRC |
