| 1 | PNA | Universal Airlines, Inc. | Callsign: Pacific Northern, | USA | AVCODES |
| 2 | PNA | Palau National Airlines | IATA: 9P, Callsign: Sebus, IATA designator changed to 4L. ICAO Callsign changed to Tropic Bird | PAL | AVCODES |
| 3 | PNA | Palau National Airlines | IATA: 4L, Callsign: Tropic Bird, IATA designator changed from 9P. ICAO Callsign changed from Sebus. | PAL | AVCODES |
| 4 | PNA | Universal Airlines | | | ICAO1 |
| 5 | PNAA | PANAMERICA TRAILER TRANSPORT INC, O | | | SCAC3 |
| 6 | PNAE | PRINCETON AIRPORTER INC | | | SCAC3 |
| 7 | PNAF | PANLPINA FORWARDING LTD ZURICH | | | SCAC3 |
| 8 | PNAF | PREMIER CLASS TRANSPORT INC | | | SCAC4 |
| 9 | PNAH | P & A FREIGHT HAULERS INC | | | SCAC4 |
| 10 | PNAI | PAN AMERICAN INDEPENDENT LINE | | | SCAC3 |
| 11 | PNAI | PATTEN ACRES INC | | | SCAC4 |
| 12 | PNAJ | POELMAN APIARIES LTD | | | SCAC4 |
| 13 | PNAK | PRIVA NORTH AMERICA INC | | | SCAC4 |
| 14 | PNAL | PINA ARELLANO, LUIS ALFREDO | | | SCAC4 |
| 15 | PNAM | PAN-AM TRUCKING INC | | | SCAC3 |
| 16 | PNAN | PAN ATLANTIC SHIPPING | | | SCAC3 |
| 17 | PNAN | PRECISION HEAVY HAUL INC | | | SCAC4 |
| 18 | PNAO | PICKWORTH & ASSOCIATES | | | SCAC3 |
| 19 | PNAP | PINE ACRES TRANSPORTATION | | | SCAC3 |
| 20 | PNAP | PINE ACRES TRANSPORTATION | | | SCAC4 |
| 21 | PNAQ | PAN AMERICAN EXPRESS | | | SCAC3 |
| 22 | PNAR | PRONTO AIRE INC | | | SCAC3 |
| 23 | PNAT | PAN ATLANTIC LINES | | | PWRC |
| 24 | PNAT | P & A TRANSPORTATION INC | | | SCAC3 |
| 25 | PNAU | SPECTRA CHEMICALS AND COMMODITIES (SHANGHAI) | | PRC | BIC |
| 26 | PNAU | SPECTRA CHEMICALS AND COMMODITIES ( | | | SCAC4 |
| 27 | PNAX | POLIMEROS NACIONALES SA DE CV | | | PWRC |
| 28 | PNAX | POLIMEROS NACIONALES SA DE CV | | | SCAC4 |
