| 1 | PRN | Princess Air Plc | IATA: 8Q, Callsign: Whisperjet, Ceased operations on 27 February 1991. | GB | AVCODES |
| 2 | PRN | Petronord-Avia, Air Company | Callsign: Petronord, | RUS | AVCODES |
| 3 | PRN | Pirinair Express | Callsign: Pirinair Express, | E | AVCODES |
| 4 | PRN | Pirinair Express | | | ICAO1 |
| 5 | PRNB | PRONTO BUSINESS COURIER INC | | | SCAC3 |
| 6 | PRNC | PRINCE CORP | | | SCAC3 |
| 7 | PRND | PRENDAS S A DE C V | | | SCAC4 |
| 8 | PRNF | PRINCL FREIGHT LINES INC | | | SCAC3 |
| 9 | PRNG | PRATT TRUCKING | | | SCAC3 |
| 10 | PRNH | PRN TRANSPORT LTD | | | SCAC4 |
| 11 | PRNI | PARTNERS TRANSPORTATION INC | | | SCAC3 |
| 12 | PRNL | PIPE RENEWAL SERVICE INC | | | SCAC3 |
| 13 | PRNL | PURNELL FURNITURE SERVICE INC | | | SCAC4 |
| 14 | PRNM | PERRON, TIMON TRUCKING INC | | | SCAC4 |
| 15 | PRNN | PRYOR & SONS | | | SCAC3 |
| 16 | PRNN | PRONAUTIC CUSTOM YACHT INTERIORS | | | SCAC4 |
| 17 | PRNO | PARNELL OIL CO INC | | | SCAC4 |
| 18 | PRNP | PRINTPACK INC | | | SCAC4 |
| 19 | PRNQ | PRINCIPAL LINES LTD. | | | SCAC3 |
| 20 | PRNR | PRINCE TRANSPORTATION | | | SCAC3 |
| 21 | PRNS | PRIESTLEY & SONS MOVING & STORAGE | | | SCAC3 |
| 22 | PRNT | PRINS TRUCKING INC | | | SCAC3 |
| 23 | PRNT | PRINS TRUCKING INC | | | SCAC4 |
| 24 | PRNV | PARNON NAVIGATION CORP | | | SCAC3 |
| 25 | PRNV | PRESTIGE NAVIGATION CORP | | | SCAC4 |
| 26 | PRNW | PRESSON AND WARTHON INC | | | SCAC3 |
| 27 | PRNY | PARNEY TRUCKING | | | SCAC3 |
