| 1 | PEX | Pelican Express | Callsign: Pelican Express, | USA | AVCODES |
| 2 | PEX | People Express Airlines, Inc. | IATA: PE, Callsign: People Express, Merged into Continental Air Lines. na Peoplexpress | USA | AVCODES |
| 3 | PEX | Pelican Express | | | ICAO1 |
| 4 | PEX | POTOMAC EAGLE SCENIC RAIL EXCURSION | | | PWRC |
| 5 | PEXB | PRIORITY EXPRESS | | | SCAC3 |
| 6 | PEXB | PINNACLE EXPRESS INC | | | SCAC4 |
| 7 | PEXC | PONY EXPRESS COURIER CORP | | | SCAC3 |
| 8 | PEXC | PEARL EXPRESS | | | SCAC4 |
| 9 | PEXF | PETROEXPRESS | | | SCAC3 |
| 10 | PEXI | PARKS EXCAVATING | | | SCAC3 |
| 11 | PEXJ | PETROLEUM EXPRESS | | | SCAC3 |
| 12 | PEXM | PRO EXPRESS INC | | | SCAC4 |
| 13 | PEXN | PEARSON, HOWARD N EXPRESS INC | | | SCAC3 |
| 14 | PEXN | PETROLEUM EXPRESS INC | | | SCAC4 |
| 15 | PEXO | PETES EXPRESS | | | SCAC3 |
| 16 | PEXO | POWER EXPRESS INTERNATIONAL CO LTD | | | SCAC4 |
| 17 | PEXP | PETRO EXPRESS COMPANY INC | | | SCAC4 |
| 18 | PEXR | PEANUT EXPRESS | | | SCAC3 |
| 19 | PEXT | PLC EXPEDITED | | | SCAC4 |
| 20 | PEXU | PENEX CONTAINER LINES (THAILAND) CO,LTD | | T | BIC |
| 21 | PEXU | PENEX LOGISTICS COMPANY LIMITED | | | SCAC4 |
| 22 | PEXW | POSTAL EXPRESS INC | | | SCAC4 |
| 23 | PEXY | PONDEROSA EXPRESS | | | SCAC4 |
