Aer Arann

 Aer Arann Islands

 Aer Arann Regional

 Aer Atlantic

 Aer Leisure

 Aer Lingus (Irish International)

 Aer Lingus Commuter

 Aer Lingus Regional

 Aer Lingus Teoranta

 Aer Turas Teoranta (Irish Cargo Airlines)

 Aerfair

 Aerlinte Eireann Teorante

 Air Contractors

 Air Exports

 Air Lucht

 Apple Air Services

 Avair

 Aviajet

 Benedar Air

 Business City Direct

 Camus Airways

 Capel Air (Reindeer Travel)

 Celtic Airways

 Chartavia

 CityJet

 Club Air

 Clyden Airways

 Cork Air Carriers

 Cork Aviation Centre

 EirJet

 EUjet

 Euro West Airlines

 Euroceltic Airways

 Eurojet

 ExpressJet Europe

 Exxavia

 FlyBe Ireland

 FlyU

 FreshAer

 Futura Gael

 GenAir

 Harbour Air Ireland

 Harbour Flights Ireland

 Hibernian Airlines (Air Charters of Ireland)

 Interconair

 Iona National Airways

 Iona National Airways

 Ireland Airways (El Air Exports)

 Ireland West Airways

 Irish Airways

 Irish Airways

 Irish Aviation

 JetBird

 JetGreen Airways

 Jetmagic

 Kerry Airways

 MyWay

 Nex Aviation

 Omega Airlines

 Ryanair

 SEA (Shannon Executive Aviation)

 Shannon Executive Aviation

 SkyNet Airlines

 Starair

 Stobart Air

 Sun Premier Airlines

 TransAer

 Translift Airways

 Ven Air

 Virgin Express Ireland

 Visionair

 Westair Aviation (Westair Cargo) (Leoni Aviation)

 XL Airways Ireland