| 1 | ZP | Air St. Thomas | ICAO: STT, Callsign: Paradise, Designator ZP recalled by IATA. ceased operations in December 2005 | VI | AVCODES |
| 2 | ZP | Silk Way Airlines | ICAO: AZQ, Callsign: Silk Line, IATA Prefix: 463, | AZ | AVCODES |
| 3 | ZP | Amaszonas del Paraguay SA Lineas Aereas | ICAO: AZP, Callsign: Guarani, Name changed to Compa��a de Aviaci�n Paraguaya S.A. d/b/a Paranair w.e.f. from 15 October 2018. | PY | AVCODES |
| 4 | ZP | Compañía de Aviación Paraguaya S.A. d/b/a Paranair | ICAO: AZP, Callsign: Guarani, IATA Prefix: 445, Name changed from Amaszonas del Paraguay SA Lineas Aereas w.e.f. from 15 October 2018. | PY | AVCODES |
| 5 | ZPCA | ZIP CARRIERS INC | | | SCAC4 |
| 6 | ZPCI | ZAPATA TRUCKING | | | SCAC4 |
| 7 | ZPCN | ZUNIGA PEREZ, CARLOS NOE | | | SCAC4 |
| 8 | ZPCR | ZYGOTE PRO-CREATIONS INC | | | SCAC4 |
| 9 | ZPDY | ZIPP DELIVERY INC | | | SCAC4 |
| 10 | ZPHY | ZEPHYR TRUCKING INC | | | SCAC4 |
| 11 | ZPLU | KONRAD ZIPPEL SPEDITEUR GMBH & CO. KG | | D | BIC |
| 12 | ZPNT | Zakłady Produkcyjno-Naprawcze Taboru Maszyn i Urządzeń TABOR M. Dybowski sp. j. | | PL | VKM |
| 13 | ZPORT | ZÁHONY-PORT Zrt. (ZÁHONY-PORT Co) | | HU | VKM |
| 14 | ZPRG | ZAPATA RAMIREZ, GERARDO | | | SCAC4 |
| 15 | ZPRU | Caribbean Shipping Services | | | RSRV |
| 16 | ZPRU | CARIBBEAN SHIPPING SERVICES | | | SCAC4 |
| 17 | ZPS | ZAKLAD PREWOZÓW I SPEDYCJI \'\'SPEDKOKS\'\' SP. Z.O.O. | | PL | VKM |
| 18 | ZPSA | ZPS AMERICA | | | SCAC4 |
| 19 | ZPSC | ZIPP EXPRESS | | | SCAC4 |
| 20 | ZPSSP | ZPS Sp. z o.o. | | PL | VKM |
| 21 | ZPSV | ZACH PROP | | | SCAC4 |
| 22 | ZPSV | Železniční průmyslová stavební výroba Uherský Ostroh a.s. | | CZ | VKM |
| 23 | ZPSVC | Žpsv, A.S. Čaňa | | SK | VKM |
| 24 | ZPSZ | Zväz pre skladovanie zásob, a.s. | | SK | VKM |
| 25 | ZPTA | ZAPATA MAURICIO, CARLOS JESUS | | | SCAC4 |
| 26 | ZPTN | ZP TRANSPORT INC | | | SCAC4 |
| 27 | ZPTR | ZEPTER TRANSPORTATION | | | SCAC4 |
| 28 | ZPXS | ZIP XPRESS INC | | | SCAC4 |
