| 1 | United Airlines , INC. | Ireland | Dublin | 61a South William Street | Dublin | N/A | united.***** | 1980 | $37,864,000,000 | 27 | N/A | N/A | 904061 |
| 2 | Qatar Airways Group (q.c.s.c.) | Ireland | Dublin | Offices D045-02-36 Level 3 Mezzanine | Dublin | K67 P0E0 | N/A | 1993 | $35,572,289,110 | 7 | N/A | N/A | 908631 |
| 3 | Ryanair Holdings Public LIMITED Company | Ireland | Swords | Ryanair Dublin Office | Dublin | N/A | N/A | 1996 | $14,641,810,193 | 27,076 | N/A | N/A | 249885 |
| 4 | Aer Lingus LIMITED | Ireland | Swords | Castle Drive | Dublin | K67 PY97 | N/A | 1936 | $2,381,631,744 | 2,237 | N/A | N/A | 9215 |
| 5 | Ryanair Designated Activity Company | Ireland | Swords | Ryanair Dublin Office | Dublin | K67 NY94 | ryanair.***** | 1984 | $2,017,834,266 | 3,063 | N/A | N/A | 104547 |
| 6 | Asl Aviation Holdings Designated Activity Company | Ireland | Swords | Aviation House | Dublin | K67 PP52 | aslaviationholdings.***** | 2002 | $1,578,741,681 | 3,791 | N/A | N/A | 361394 |
| 7 | Daa Public LIMITED Company | Ireland | Swords | Three, the Green | Dublin | K67 X4X5 | daa.***** | 1937 | $1,174,701,037 | 4,176 | N/A | N/A | 9401 |
| 8 | Cdb Aviation Lease Finance Designated Activity Company | Ireland | Dublin | 1gq | Dublin | D02 Y098 | cdbaviation.***** | 2009 | $1,060,071,000 | 123 | N/A | N/A | 472612 |
| 9 | Aer Lingus Group Designated Activity Company | Ireland | Dublin | Shamrock Lodge | Dublin | N/A | N/A | 1936 | $951,092,002 | 3,766 | N/A | N/A | 211168 |
| 10 | Acg Aircraft Leasing Ireland LIMITED | Ireland | Dublin | 23/25 Baggot Street Upper | Dublin | D04 Y7T1 | N/A | 2005 | $354,908,153 | 20 | N/A | N/A | 410601 |
| 11 | Aercap Ireland LIMITED | Ireland | Shannon | Aviation House | Clare | V14 AN29 | N/A | 1975 | $333,000,000 | 300 | N/A | N/A | 51950 |
| 12 | Shell And Topaz Aviation Ireland LIMITED | Ireland | Cork | Cork Airport | Cork | N/A | topazenergy.***** | 1996 | $302,783,000 | 79 | N/A | N/A | 250505 |
| 13 | Aer Rianta International Cuideachta Phoiblí Theoranta | Ireland | Swords | Three | Dublin | K67 X4X5 | N/A | 1988 | $229,961,460 | 766 | N/A | N/A | 133481 |
| 14 | The Irish Air Navigation Service | Ireland | Dublin | The Times Building | Dublin | D02 T449 | N/A | 2023 | $211,409,338 | 626 | N/A | N/A | 734291 |
| 15 | Emerald Airlines Ireland LIMITED | Ireland | Dublin | Hangar 5 | Dublin | K67 XK66 | N/A | 2021 | $181,249,153 | 450 | N/A | N/A | 687141 |
| 16 | Aer Lingus (ireland) LIMITED | Ireland | Dublin | Dublin Airport | Dublin | K67A0K7 | N/A | 2009 | $160,576,052 | 2,833 | N/A | N/A | 478216 |
| 17 | Eirtrade Aviation Ireland LIMITED | Ireland | Rathcoole | 526 Greenogue Business Park | Dublin | D24 HVX0 | eirtradeaviation.***** | 2010 | $150,466,534 | 87 | N/A | N/A | 491380 |
| 18 | Cityjet Designated Activity Company | Ireland | Dublin | Imbus House | Dublin | K67 T680 | cityjet.***** | 1992 | $140,159,476 | 605 | N/A | N/A | 193772 |
| 19 | Asl Airlines (ireland) LIMITED | Ireland | Swords | 3 Malahide Road | Dublin | K67 PP52 | aslairlines.***** | 1972 | $119,776,595 | 219 | N/A | N/A | 187849 |
| 20 | Killick Aerospace LIMITED | Ireland | Swords | Unit N3 Horizon Logistics Park | Dublin | K67 E2A8 | killickaerospace.***** | 2009 | $102,203,369 | 55 | N/A | N/A | 471475 |
| 21 | Shannon Group, Public LIMITED Company | Ireland | Shannon | Legal Department | Clare | N/A | N/A | 2014 | $73,774,896 | 321 | N/A | N/A | 548847 |
| 22 | Alliance Aviation Group LIMITED | Ireland | Dublin | 1st Floor Trintech House | Dublin | D18 H5H9 | N/A | 2014 | $69,683,633 | 37 | N/A | N/A | 539208 |
| 23 | Gorm Dark Blue LIMITED | Ireland | Dublin | 2nd Floor, Block 5, Irish Life Centre | Dublin | D01 P767 | N/A | 2016 | $67,037,092 | 7 | N/A | N/A | 593238 |
| 24 | Swissport Ireland LIMITED | Ireland | Dublin | Cargo Terminal 2, Dublin Airport | Dublin | K67K5C0 | N/A | 1969 | $66,467,190 | 898 | N/A | N/A | 29674 |
| 25 | Gorm Ocean Blue LIMITED | Ireland | Dublin | 2nd Floor, Block 5, Irish Life Centre | Dublin | D01 P767 | N/A | 2018 | $58,661,806 | 7 | N/A | N/A | 627406 |
| 26 | Gorm Light Blue LIMITED | Ireland | Dublin | 2nd Floor, Block 5, Irish Life Centre | Dublin | D01 P767 | N/A | 2017 | $57,919,717 | 7 | N/A | N/A | 617208 |
| 27 | Volga Dnepr Airlines (ireland) LIMITED | Ireland | Shannon | Old Terminal Bldg, Fl 1 | Clare | N/A | N/A | 1996 | $56,303,079 | 55 | N/A | N/A | 249947 |
| 28 | Stlc Europe Two Leasing LIMITED | Ireland | Dublin | 2 Hume Street | Dublin | D02 FT82 | N/A | 2013 | $54,669,000 | 55 | N/A | N/A | 533928 |
| 29 | Blueberry Aviation LIMITED | Ireland | Blackrock | 15a Main Street | Dublin | A94T8P8 | blueberryaviation.***** | 2003 | $53,818,616 | 3 | N/A | N/A | 369722 |
| 30 | Celestial Aviation Services LIMITED | Ireland | Dublin | 2 Grand Canal Square | Dublin | D02 A342 | N/A | 1993 | $52,512,000 | 107 | N/A | N/A | 205625 |
| 31 | Aag Hangar 1 LIMITED | Ireland | Shannon | Shannon Airport | Clare | V95 K097 | atlanticaviation.***** | 1989 | $48,352,956 | 321 | N/A | N/A | 140422 |
| 32 | Smbc Aviation Capital Management LIMITED | Ireland | Dublin | 1 Molesworth Street | Dublin | D02 RF29 | N/A | 2015 | $44,497,375 | 79 | N/A | N/A | 560593 |
| 33 | Allinavia Ireland LIMITED | Ireland | Dublin | 25-28 North Wall Quay | Dublin | D01 H104 | N/A | 2012 | $37,133,712 | 2 | N/A | N/A | 518687 |
| 34 | Expressair Aviation LIMITED | Ireland | Santry | Unit 17, Block 2 Northwood Court | Dublin | N/A | N/A | 1988 | $32,833,051 | 233 | N/A | N/A | 131395 |
| 35 | Awas Aviation Trading Designated Activity Company | Ireland | Dublin 24 | 70 Sir John Rogerson'S Quay | Dublin | D02R296 | N/A | 2007 | $30,909,000 | 60 | N/A | N/A | 432902 |
| 36 | Cdb Aviation Owner LIMITED | Ireland | Dublin | 1gq | Dublin | D02 Y098 | cdbaviation.***** | 2018 | $28,483,000 | 2 | N/A | N/A | 638308 |
| 37 | Stlc Europe Fourteen Leasing LIMITED | Ireland | Dublin | 25 North Wall Quay | Dublin | D01 H104 | N/A | 2018 | $27,544,000 | 7 | N/A | N/A | 620555 |
| 38 | Stlc Europe Thirteen Leasing LIMITED | Ireland | Dublin | 25 North Wall Quay | Dublin | D01 H104 | N/A | 2018 | $26,401,000 | 7 | N/A | N/A | 618947 |
| 39 | Saimer Leasing LIMITED | Ireland | Dublin | 3rd Floor, Kilmore House, Park Lane | Dublin | D01YE64 | N/A | 2015 | $24,758,557 | 3 | N/A | N/A | 558498 |
| 40 | Stlc Europe Seven Leasing LIMITED | Ireland | Dublin | 2 Hume Street | Dublin | D02 FT82 | N/A | 2017 | $24,734,000 | 3 | N/A | N/A | 599109 |
| 41 | Starlite Aviation Operations LIMITED | Ireland | Dublin | Second Floor Europa House | Dublin | D02 WR2O | lmoperations.***** | 2008 | $24,297,456 | 1 | N/A | N/A | 455180 |
| 42 | Airbus International Services Designated Activity Company | Ireland | Dublin | 6 Georges Dock | Dublin | D01 K5C7 | airbus.***** | 2010 | $23,821,425 | 76 | N/A | N/A | 491039 |
| 43 | Sky Handling Partner LIMITED | Ireland | Cloghran | Horizon House | Dublin | N/A | cityjet.***** | 1993 | $22,761,169 | 476 | N/A | N/A | 210922 |
| 44 | Gate Gourmet Ireland LIMITED | Ireland | Dublin | South Apron | Dublin | K67 C583 | gategourmet.***** | 1983 | $22,035,825 | 85 | N/A | N/A | 96836 |
| 45 | Connaught Airport Development Company LIMITED | Ireland | Charlestown | Ireland West Airport Knock | Mayo | N/A | N/A | 1980 | $20,659,312 | 148 | N/A | N/A | 78973 |
| 46 | Stlc Europe Eight Leasing LIMITED | Ireland | Dublin | 2 Hume Street | Dublin | D02 FT82 | N/A | 2017 | $18,841,000 | 7 | N/A | N/A | 599120 |
| 47 | Signature Flight Support Ireland LIMITED | Ireland | Dublin | T1x Terminal 1, Dublin Airport | Dublin | K67 X4X5 | signatureflight.***** | 1998 | $16,812,644 | 38 | N/A | N/A | 296386 |
| 48 | Gorm Sky Blue LIMITED | Ireland | Dublin | 2nd Floor, Block 5, Irish Life Centre | Dublin | D01 P767 | N/A | 2016 | $16,811,146 | 7 | N/A | N/A | 593240 |
| 49 | Larafort Aircraft Leasing LIMITED | Ireland | Dublin 18 | Unit 3, the Courtyard Carmanhall Road | Dublin | N/A | N/A | 2008 | $15,387,534 | 4 | N/A | N/A | 458087 |
| 50 | Gorm Deep Blue LIMITED | Ireland | Dublin | 2nd Floor, Block 5, Irish Life Centre | Dublin | D01 P767 | N/A | 2016 | $15,072,777 | 7 | N/A | N/A | 593239 |
| 51 | Hawk Bay Leasing Designated Activity Company | Ireland | Dublin | 25-28 North Wall Quay | Dublin | D01 H104 | N/A | 2012 | $15,005,911 | 2 | N/A | N/A | 512104 |
| 52 | Avolon Aerospace (warehouse 1) LIMITED | Ireland | Dublin | 1 Shelbourne Road | Dublin | D04 W6K5 | avolon.***** | 2010 | $13,890,085 | 55 | N/A | N/A | 907880 |
| 53 | Macquarie Airfinance Acquisitions LIMITED | Ireland | Dublin | Connaught House, Fl 1 | Dublin | D04 A6F5 | N/A | 2007 | $13,890,085 | 55 | N/A | N/A | 905881 |
| 54 | Macquarie Aerospace LIMITED | Ireland | Dublin | Connaught House | Dublin | D04 A6F5 | N/A | 2010 | $13,890,085 | 55 | N/A | N/A | 906393 |
| 55 | I.P.S. Groupage Services LIMITED | Ireland | Swords | Unit 2 Swords Business Park | Dublin | K67 K8Y2 | ips-group.***** | 1983 | $13,890,085 | 55 | N/A | N/A | 95711 |
| 56 | The Milestone Aviation Group LIMITED | Ireland | Dublin | Dolmen House | Dublin | D02 E024 | N/A | 2010 | $13,890,085 | 55 | N/A | N/A | 906474 |
| 57 | Heathwick Autonomous Systems LIMITED | Ireland | Limerick | 11th Floor | Limerick | N/A | N/A | 2012 | $13,890,085 | 55 | N/A | N/A | 511475 |
| 58 | Vipjet LIMITED | Ireland | Shannon | Ground Floor | Clare | V14 EV57 | N/A | 2008 | $13,890,085 | 55 | N/A | N/A | 453907 |
| 59 | Galway Aviation Services LIMITED | Ireland | Galway | Aer Arann Islands | Galway | H91 DC80 | aerarannislands.***** | 1984 | $13,890,085 | 42 | N/A | N/A | 102122 |
| 60 | Formidion Aviation Capital LIMITED | Ireland | Dublin | 92/93 St Stephen'S Green | Dublin | D02 W863 | formidion.***** | 2021 | $13,890,085 | 11 | N/A | N/A | 690722 |
| 61 | Euram Air Leases Ireland LIMITED | Ireland | Birr | Ferbane Business & Technology Park | Offaly | R42 EC91 | euram.***** | 2007 | $13,611,630 | 60 | N/A | N/A | 447650 |
| 62 | Asc Airport Services Consolidated LIMITED | Ireland | Swords | Three | Dublin | K67 X4X5 | N/A | 2010 | $12,450,013 | 348 | N/A | N/A | 486919 |
| 63 | Aer Resources Agency Services LIMITED | Ireland | Dublin 24 | 1 Grant'S Row | Dublin | D02HX96 | N/A | 2017 | $10,363,349 | 6 | N/A | N/A | 614840 |
| 64 | Calliope LIMITED | Ireland | Shannon | Aviation House | Clare | V14 AN29 | N/A | 1998 | $10,027,000 | 4 | N/A | N/A | 298424 |
| 65 | Lunar Aircraft Trading Company 6 LIMITED | Ireland | Shannon | Pafs Ireland Limited | Clare | V14 EV57 | N/A | 2020 | $9,632,000 | 52 | N/A | N/A | 680566 |
| 66 | Kerry Airport Public LIMITED Company | Ireland | Killarney | Farranfore | Kerry | V93 KHF7 | kerryairport.***** | 1969 | $9,043,125 | 55 | N/A | N/A | 26871 |
| 67 | Ceva Air & Ocean Ireland LIMITED | Ireland | Dublin | 13 Fitzwilliam Square East | Dublin | D02 PY27 | N/A | 2023 | $8,895,688 | 5 | N/A | N/A | 732424 |
| 68 | Motherson Air Travel PVT. LIMITED | Ireland | Wexford | Moyne Lower Old Dublin Road | Wexford | N/A | N/A | 2017 | $8,810,316 | 7 | N/A | N/A | 611496 |
| 69 | Stlc Europe Seventeen Leasing LIMITED | Ireland | Dublin | 25 North Wall Quay | Dublin | D01 H104 | N/A | 2018 | $8,522,000 | 7 | N/A | N/A | 622632 |
| 70 | Dae Leasing (ireland) 16 LIMITED | Ireland | Dublin | S Quay 16 | Dublin | D01 XE03 | N/A | 2017 | $7,779,000 | 6 | N/A | N/A | 598208 |
| 71 | Fingal Aviation Services LIMITED | Ireland | Dublin | Fuel Depot | Dublin | K67 FX50 | N/A | 1989 | $7,671,222 | 73 | N/A | N/A | 151023 |
| 72 | SAS Crew Services LIMITED | Ireland | Swords | Swords Business Campus | Dublin | N/A | N/A | 2024 | $6,521,640 | 60 | N/A | N/A | 772482 |
| 73 | Truenoord Lusen LIMITED | Ireland | Dublin | 4 Mount Street Lower, Dublin 2 | Dublin | D02 AX96 | N/A | 2024 | $6,521,640 | 60 | N/A | N/A | 766871 |
| 74 | Lease CORPORATION International LIMITED | Ireland | Dublin | 6 Georges Dock | Dublin | D01 K5C7 | N/A | 2006 | $6,521,640 | 60 | N/A | N/A | 429537 |
| 75 | Simtech Aviation Holdings LIMITED | Ireland | Dublin | Ground Floor Unit 2 | Dublin | D02 RH68 | simtech.***** | 2008 | $6,521,640 | 60 | N/A | N/A | 465874 |
| 76 | Rocky Mountain Aircraft Leasing LIMITED | Ireland | Shannon | Universal House | Clare | N/A | N/A | 2023 | $6,521,640 | 60 | N/A | N/A | 746628 |
| 77 | Carlyle Aviation Management LIMITED | Ireland | Dublin | Connaught House | Dublin | D04 C5Y6 | N/A | 2007 | $6,521,640 | 60 | N/A | N/A | 905713 |
| 78 | Air Taurus LIMITED | Ireland | Dublin | 24 Fitzwilliam Place | Dublin | D02 T296 | N/A | 2021 | $6,521,640 | 60 | N/A | N/A | 709078 |
| 79 | Waypoint Asset Euro 9a LIMITED | Ireland | Dublin | 8th Floor North Dock Two 93/94 North Wall Quay | Dublin | D01 V8Y6 | N/A | 2015 | $6,521,640 | 60 | N/A | N/A | 569667 |
| 80 | Sts Aviation LIMITED | Ireland | Limerick | Bishopsgate | Limerick | V94K5R6 | N/A | 2017 | $6,521,640 | 60 | N/A | N/A | 617209 |
| 81 | Cavic Aviation Leasing (ireland) 18 CO., LIMITED | Ireland | Dublin | 2nd Floor Block 5 | Dublin | D01 P767 | N/A | 2014 | $6,521,640 | 60 | N/A | N/A | 547354 |
| 82 | Hillview Aviation LIMITED | Ireland | Ardnacrusha | 79 Ballyglass Lakyle | Clare | N/A | N/A | 2009 | $6,521,640 | 60 | N/A | N/A | 477495 |
| 83 | AS Air Lease 57 Sy (ireland) Designated Activity Company | Ireland | Dublin | 1 Shelbourne Road | Dublin | D04 W6K5 | N/A | 2017 | $6,426,939 | 6 | N/A | N/A | 599386 |
| 84 | Truenoord Ghaghara LIMITED | Ireland | Dublin | 4 Mount Street Lower, Dublin 2 | Dublin | D02 AX96 | N/A | 2018 | $6,349,007 | 3 | N/A | N/A | 639359 |
| 85 | Gorm Warm Red LIMITED | Ireland | Dublin | 2nd Floor, Block 5, Irish Life Centre | Dublin | D01 P767 | N/A | 2018 | $5,904,197 | 7 | N/A | N/A | 627405 |
| 86 | Dae Leasing (ireland) 17 LIMITED | Ireland | Dublin | Central Quay | Dublin | D02 RR77 | N/A | 2017 | $5,764,000 | 100 | N/A | N/A | 599455 |
| 87 | Acumen Aviation Europe LIMITED | Ireland | Dublin | Canal House | Dublin | D04 P9V4 | N/A | 2013 | $5,003,937 | 10 | N/A | N/A | 528460 |
| 88 | AS Air Lease 51 (ireland) LIMITED | Ireland | Dublin | 1st Floor, 2 Cumberland Place Fenian Street | Dublin | D02 H0V5 | ireland.***** | 2016 | $4,982,139 | 2 | N/A | N/A | 595628 |
| 89 | Gat Aircraft And Engine Leasing LIMITED | Ireland | Dublin | Suite 10089 | Dublin | N/A | N/A | 2020 | $4,839,043 | 2 | N/A | N/A | 666584 |
| 90 | Glenhagen LIMITED | Ireland | Dublin | West Pier | Dublin | A96 N6T7 | N/A | 1999 | $4,775,716 | 6 | N/A | N/A | 314621 |
| 91 | AS Air Lease 54 (ireland) LIMITED | Ireland | Dublin | 1st Floor, 2 Cumberland Place Fenian Street | Dublin | D02 H0V5 | ireland.***** | 2016 | $4,713,004 | 7 | N/A | N/A | 595623 |
| 92 | AS Air Lease 49 (ireland) LIMITED | Ireland | Dublin | 1st Floor, 2 Cumberland Place Fenian Street | Dublin | D02 H0V5 | ireland.***** | 2016 | $4,551,943 | 7 | N/A | N/A | 595627 |
| 93 | Cavic 16 Aviation Leasing (ireland) CO., LIMITED | Ireland | Dublin | 2nd Floor Block 5 | Dublin | D01 P767 | N/A | 2013 | $4,440,000 | 3 | N/A | N/A | 529067 |
| 94 | Deucalion Aviation Ireland LIMITED | Ireland | Ballinrobe | New Street | Mayo | F31 DC97 | N/A | 2021 | $4,263,793 | 14 | N/A | N/A | 702162 |
| 95 | Zephyrus Aviation Capital LIMITED | Ireland | Dublin | Block A | Dublin | N/A | cdbaviation.***** | 2018 | $3,819,123 | 13 | N/A | N/A | 629792 |
| 96 | Airopco I Sd Ireland Designated Activity Company | Ireland | Dublin | 1st Floor Cape House | Dublin | N/A | N/A | 2015 | $3,792,704 | 6 | N/A | N/A | 564820 |
| 97 | Emerald Airlines Handling LIMITED | Ireland | Dublin | 5 Hangar | Dublin | K67 XK66 | N/A | 2022 | $3,630,483 | 7 | N/A | N/A | 722211 |
| 98 | Stlc Europe Fifteen Leasing LIMITED | Ireland | Dublin | 25 North Wall Quay | Dublin | D01 H104 | N/A | 2018 | $3,621,000 | 7 | N/A | N/A | 620792 |
| 99 | Stlc Europe Eleven Leasing LIMITED | Ireland | Dublin | 25 North Wall Quay | Dublin | D01 H104 | N/A | 2017 | $3,245,000 | 7 | N/A | N/A | 615290 |
| 100 | AS Air Lease 41 (ireland) LIMITED | Ireland | Dublin | 1st Floor, 2 Cumberland Place Fenian Street | Dublin | D02 H0V5 | ireland.***** | 2016 | $3,002,406 | 7 | N/A | N/A | 585991 |