| 1 | Johnson Controls International Public LIMITED Company | Ireland | Cork | 1 Albert Quay | Cork | T12 X8N6 | johnsoncontrols.***** | 1960 | $22,952,000,000 | 94 | N/A | N/A | 543654 |
| 2 | Dell Products Unlimited Company | Ireland | Dublin | S Quay 16 | Dublin | D01 XE03 | N/A | 1992 | $14,511,254,000 | 2,120 | N/A | N/A | 191034 |
| 3 | Msdig Holdings Unlimited Company | Ireland | Dublin | Red Oak North | Dublin | D18 X5K7 | N/A | 2003 | $9,644,746,000 | 292 | N/A | N/A | 376424 |
| 4 | Dole Public LIMITED Company | Ireland | Dublin | 29 North Anne Street | Dublin | D07 PH36 | doleplc.***** | 2017 | $9,228,853,000 | 37,422 | N/A | N/A | 606201 |
| 5 | Kingspan Group Public LIMITED Company | Ireland | Kingscourt | Dublin Road | Cavan | A82 XY31 | kingspan.***** | 1979 | $9,103,028,864 | 25,401 | N/A | N/A | 70576 |
| 6 | Xerox (ireland) LIMITED | Ireland | Dublin | Ballycoolin Business Park | Dublin | D15 PD87 | N/A | 1989 | $5,951,558,501 | 16,800 | N/A | N/A | 149819 |
| 7 | Xerox (europe) LIMITED | Ireland | Dublin | Ballycoolin Business Park | Dublin | D15 PD87 | xerox.***** | 1998 | $5,951,558,501 | 1,850 | N/A | N/A | 282298 |
| 8 | Musgrave Group Public LIMITED Company | Ireland | Cork | Airport Road | Cork | T12 X6VW | musgravemarketplace.***** | 1876 | $5,460,398,819 | 9,197 | N/A | N/A | 105820 |
| 9 | Grafton Group Public LIMITED Company | Ireland | Dublin | Heron House | Dublin | D18 Y2X6 | graftonplc.***** | 1931 | $2,893,169,780 | 9,429 | N/A | N/A | 8149 |
| 10 | Uniphar Public LIMITED Company | Ireland | Dublin | 4045 Kingswood Road | Dublin | D24 V06K | uniphar.***** | 1967 | $2,775,104,355 | 3,262 | N/A | N/A | 224324 |
| 11 | Ornua LIMITED | Ireland | Dublin | Grattan House | Dublin | D02 H638 | idb.***** | 1973 | $2,463,328,780 | 3,133 | N/A | N/A | 40615 |
| 12 | Netapp Ireland LIMITED | Ireland | Cork | Nsq2, Navigation Square | Cork | T12 W351 | N/A | 2021 | $2,390,306,948 | 251 | N/A | N/A | 705127 |
| 13 | Bausch + Lomb Ireland LIMITED | Ireland | Rathcoole | 3013 Lake Drive | Dublin | D24 PPT3 | bauschhealth.***** | 2020 | $2,221,478,000 | 1,577 | N/A | N/A | 677764 |
| 14 | Sandvik Mining & Construction Logistics LIMITED | Ireland | Dublin 13 | Fourth Floor,dockline | Dublin | D01 K8N7 | N/A | 2002 | $2,048,764,181 | 212 | N/A | N/A | 354158 |
| 15 | Bwg Foods Unlimited Company | Ireland | Dublin | Bwg House | Dublin | D24 Y722 | spar.***** | 1963 | $1,913,850,373 | 1,650 | N/A | N/A | 20469 |
| 16 | Medtronic Vascular Galway Unlimited Company | Ireland | Dublin | 10 Earlsfort Terrace | Dublin | D02 T380 | N/A | 1989 | $1,549,100,503 | 1,882 | N/A | N/A | 152984 |
| 17 | Dole Ireland LIMITED | Ireland | Swords | Dole Swords | Dublin | K67 XA62 | N/A | 1989 | $1,457,064,571 | 2,436 | N/A | N/A | 117680 |
| 18 | United Drug (wholesale) LIMITED | Ireland | Dublin | United Drug House | Dublin | D24 XKE5 | united-drug.***** | 1974 | $1,441,277,106 | 584 | N/A | N/A | 46423 |
| 19 | Esb Independent Generation Trading LIMITED | Ireland | Dublin | 27 Fitzwilliam Street Lower | Dublin | D02 KT92 | esb.***** | 2009 | $1,214,948,805 | 3 | N/A | N/A | 466142 |
| 20 | Siemens Industry Software LIMITED | Ireland | Shannon | East Park Shannon Free Zone | Clare | V14 YD96 | mentor.***** | 1998 | $1,210,709,942 | 473 | N/A | N/A | 286310 |
| 21 | Systemair (ireland) LIMITED | Ireland | Dublin | Unit O2 Furry Park Industrial Estate | Dublin | D09 A2KO | systemair.***** | 2002 | $1,014,300,891 | 6,358 | N/A | N/A | 356475 |
| 22 | Inver Energy LIMITED | Ireland | Mallow | River House | Cork | T23 R5TF | inverenergy.***** | 2006 | $879,388,565 | 32 | N/A | N/A | 373915 |
| 23 | Salerno Unlimited Company | Ireland | Dublin | 3 Custom House Plaza | Dublin | N/A | N/A | 1969 | $822,092,472 | 85 | N/A | N/A | 30076 |
| 24 | Northstar Healthcare Unlimited Company | Ireland | Dublin | 70 Sir John Rogerson'S Quay | Dublin | D02 R296 | N/A | 2003 | $742,643,048 | 59 | N/A | N/A | 372645 |
| 25 | Circle K Ireland Fuels LIMITED | Ireland | Dublin | Beech Hill Road | Dublin | D04 Y016 | circlek.***** | 1989 | $636,829,027 | 22 | N/A | N/A | 7131 |
| 26 | Boots Retail (ireland) LIMITED | Ireland | Dublin | Cooldown Commons | Dublin | D24 TW13 | boots.***** | 2002 | $630,723,793 | 1,668 | N/A | N/A | 363449 |
| 27 | Elanco Ireland LIMITED | Ireland | Dublin | Fitzwilliam Hall | Dublin | D02T292 | N/A | 2018 | $616,283,937 | 16 | N/A | N/A | 630411 |
| 28 | R. & H. Hall LIMITED | Ireland | Dublin | La Touche House | Dublin | D01 R5P3 | N/A | 1889 | $589,786,732 | 40 | N/A | N/A | 1305 |
| 29 | Competition Team Ireland LIMITED | Ireland | Cork | Unit H Building 21oo | Cork | N/A | biireland.***** | 2011 | $564,901,000 | 14 | N/A | N/A | 499832 |
| 30 | Honeywell Control Systems LIMITED | Ireland | Dublin | 4 Cedar Walk | Dublin | D05 FP64 | N/A | 1926 | $561,329,950 | 2,033 | N/A | N/A | 904834 |
| 31 | Abbott Rapid Dx International LIMITED | Ireland | Galway | Parkmore East Business Park | Galway | H91 VK7E | alere.***** | 2011 | $550,374,722 | 331 | N/A | N/A | 495964 |
| 32 | Maxol LIMITED | Ireland | Dublin | 3 Custom House Plaza | Dublin | D01 VY76 | maxol.***** | 1921 | $478,051,574 | 257 | N/A | N/A | 80448 |
| 33 | Zeus Packaging Group LIMITED | Ireland | Rathcoole | Greenogue Distribution | Dublin | D24 TD23 | ww.***** | 2007 | $471,347,975 | 903 | N/A | N/A | 432818 |
| 34 | Uniphar Wholesale LIMITED | Ireland | Limerick | Garryglass Industrial Estate | Limerick | V94 D9C6 | N/A | 1972 | $469,926,824 | 348 | N/A | N/A | 37511 |
| 35 | Ezetop Unlimited Company | Ireland | Droichead Na Dothra | 3 Shelbourne Buildings | Dublin | D04 C2Y6 | ding.***** | 2006 | $467,236,000 | 211 | N/A | N/A | 422514 |
| 36 | Biohaven Pharmaceutical Ireland Designated Activity Company | Ireland | Dublin | South Bank House, Fl 6 | Dublin | D04 TR29 | N/A | 2020 | $453,261,000 | 5 | N/A | N/A | 666134 |
| 37 | Phc Care Management LIMITED | Ireland | Dublin | One Haddington Bldg G/f | Dublin | D04 X4C9 | N/A | 1998 | $429,277,247 | 8,010 | N/A | N/A | 293901 |
| 38 | World Fuel Commodities Services (ireland) LIMITED | Ireland | Dublin | South Bank House | Dublin | D04 TR29 | N/A | 2013 | $411,993,907 | 22 | N/A | N/A | 535955 |
| 39 | Amalgamated Hardware Public LIMITED Company | Ireland | Naas | Dublin Road | Kildare | N/A | topline.***** | 1972 | $410,185,781 | 68 | N/A | N/A | 39851 |
| 40 | Perrigo Pharma International Designated Activity Company | Ireland | Dublin 24 | The Sharp Building | Dublin | D02TY74 | N/A | 1994 | $374,200,000 | 171 | N/A | N/A | 222276 |
| 41 | W & S Timber Components Unlimited Company | Ireland | Dublin | Greenhills Rd | Dublin | D12 | N/A | 1982 | $365,421,771 | 1,508 | N/A | N/A | 86980 |
| 42 | General Mills UK LIMITED | Ireland | Dublin | Unit 16 | Dublin | D22 KD90 | haagen-dazs.***** | 2003 | $354,578,628 | 252 | N/A | N/A | 904923 |
| 43 | Amekab Unlimited Company | Ireland | Cork | Heritage Business Park | Cork | N/A | N/A | 2003 | $338,262,797 | 1,231 | N/A | N/A | 371040 |
| 44 | Tokyo Electron Europe LIMITED | Ireland | Kildare | Unit 2 in Unit K8 Maynooth Business Campus | Kildare | W23 PP97 | N/A | 1994 | $310,050,629 | 374 | N/A | N/A | 905215 |
| 45 | Mondelez Ireland LIMITED | Ireland | Dublin | Malahide Road | Dublin | N/A | N/A | 1933 | $306,901,914 | 78 | N/A | N/A | 8513 |
| 46 | James A. Barry & Company LIMITED | Ireland | Mallow | Upper Quartertown | Cork | P51 X656 | N/A | 1969 | $303,358,513 | 219 | N/A | N/A | 28804 |
| 47 | Food-Bridge LIMITED | Ireland | Cork | Lee House Riverview Business Park | Cork | T12 F76C | foodbridge.***** | 1999 | $299,618,877 | 27 | N/A | N/A | 303078 |
| 48 | Zenith Electrical Appliances LIMITED | Ireland | Dublin | Dublin Zoo | Dublin | D08 AC98 | N/A | 2002 | $299,104,806 | 244 | N/A | N/A | 361473 |
| 49 | Keelings Unlimited Company | Ireland | Saint Margaret'S | Foodcentral | Dublin | N/A | keelings.***** | 1973 | $293,665,329 | 823 | N/A | N/A | 43181 |
| 50 | Carton Bros Unlimited Company | Ireland | Dublin | S Quay 16 | Dublin | D01 XE03 | N/A | 1924 | $268,523,142 | 860 | N/A | N/A | 7313 |
| 51 | M. Kelliher 1998 LIMITED | Ireland | Tralee | Ballymullen Road | Kerry | V92 D793 | kellihers.***** | 1998 | $263,018,201 | 412 | N/A | N/A | 273572 |
| 52 | Aurivo Co-Operative Society LIMITED | Ireland | Sligo | Legal Department | Sligo | N/A | aurivo.***** | 2000 | $243,940,553 | 607 | N/A | N/A | R5113 |
| 53 | L.M. Ericsson LIMITED | Ireland | Dublin | Legal Department Ericsson House | Dublin | N/A | ericsson.***** | 1964 | $233,594,416 | 1,561 | N/A | N/A | 21679 |
| 54 | Currys Ireland LIMITED | Ireland | Dublin | 9a the Park | Dublin | D18 DP23 | currys.***** | 1997 | $230,963,109 | 385 | N/A | N/A | 259460 |
| 55 | Campus Oil LIMITED | Ireland | Portlaoise | C/o Certa Ireland Limited | Laois | N/A | N/A | 1979 | $224,095,868 | 49 | N/A | N/A | 86568 |
| 56 | Aspen Pharma Ireland LIMITED | Ireland | Dublin | 3016 Lake Drive | Dublin | N/A | idaireland.***** | 2013 | $223,506,537 | 73 | N/A | N/A | 525086 |
| 57 | Mayo Workwear Unlimited Company | Ireland | Westport | Portwest House | Mayo | N/A | N/A | 1975 | $218,348,176 | 2,102 | N/A | N/A | 53326 |
| 58 | H & K Manufacturing Unlimited Company | Ireland | Dublin | 88 Harcourt Street | Dublin | D02 DK18 | N/A | 2002 | $218,037,389 | 333 | N/A | N/A | 360322 |
| 59 | Magellan Aviation Services LIMITED | Ireland | Shannon | Unit B2, Shannon Free Zone | Clare | V14 YY23 | magellangroup.***** | 1990 | $211,280,224 | 60 | N/A | N/A | 160634 |
| 60 | Huawei Technologies ( Ireland) CO., LIMITED | Ireland | Dublin | Mespil Court | Dublin | D04 E516 | huawei.***** | 2005 | $191,944,948 | 144 | N/A | N/A | 399362 |
| 61 | The Rehab Group | Ireland | Dublin | 10d Beckett Way | Dublin | IRELAND | N/A | 1953 | $187,520,976 | 2,998 | N/A | N/A | 14800 |
| 62 | Exertis Ireland LIMITED | Ireland | Dublin | Unit 21, Fonthill Business Park | Dublin | D22 FR82 | exertis.***** | 1980 | $184,315,706 | 96 | N/A | N/A | 73204 |
| 63 | Morgan Fuels Ireland LIMITED | Ireland | Dundalk | Carrickarnon | Louth | A91 YC90 | morganfuels.***** | 1989 | $181,739,244 | 55 | N/A | N/A | 140170 |
| 64 | Largo Commodities Trading LIMITED | Ireland | Dublin | 1-2 Victoria Buildings | Dublin | D04 | N/A | 2019 | $178,466,000 | 15 | N/A | N/A | 651094 |
| 65 | Lakeland Dairy Sales LIMITED | Ireland | Cavan | Killeshandra | Cavan | H12 V273 | N/A | 1982 | $169,862,935 | 46 | N/A | N/A | 90464 |
| 66 | Hilton Foods (ireland) LIMITED | Ireland | Drogheda | Termonfeckin Road | Louth | N/A | hiltonfoodgroupplc.***** | 2002 | $168,739,878 | 252 | N/A | N/A | 364448 |
| 67 | Mccormick Macnaughton LIMITED | Ireland | Dublin 24 | 24 - 26 City Quay | Dublin | D02NY19 | N/A | 1944 | $168,576,269 | 150 | N/A | N/A | 11011 |
| 68 | Sodexo Ireland LIMITED | Ireland | Cork | Legal Department | Cork | N/A | sodexo.***** | 1948 | $168,072,607 | 2,332 | N/A | N/A | 180309 |
| 69 | Mars Foods Ireland LIMITED | Ireland | Dublin | Level 6 the Chase | Dublin | D18 Y3X2 | mars.***** | 1983 | $156,264,038 | 97 | N/A | N/A | 57224 |
| 70 | Clarity Computer (distribution) LIMITED | Ireland | Dublin | Clarity House | Dublin | D24 Y6DF | westcoastireland.***** | 1990 | $155,806,423 | 36 | N/A | N/A | 158550 |
| 71 | Corrib Oil Company Unlimited Company | Ireland | Galway | Unit 16 Ebi House | Galway | N/A | corriboil.***** | 1987 | $151,315,997 | 106 | N/A | N/A | 117390 |
| 72 | Cook Ireland LIMITED | Ireland | Limerick | National Technology Park | Limerick | V94 V65X | cookmedical.***** | 1993 | $151,186,273 | 664 | N/A | N/A | 203176 |
| 73 | Food-Bridge Toffee LIMITED | Ireland | Cork | Lee House Riverview Business Park Bessboro Road | Cork | T12F76C | foodbridge.***** | 2011 | $150,033,463 | 16 | N/A | N/A | 500672 |
| 74 | Cordavis LIMITED | Ireland | Dublin | 5th Floor, 76 Sir John Rogerson'S Quay | Dublin | N/A | N/A | 2022 | $149,095,000 | 15 | N/A | N/A | 730565 |
| 75 | Amber Petroleum LIMITED | Ireland | Cork | Level 4 River House | Cork | T23 R5TF | N/A | 1998 | $145,962,714 | 315 | N/A | N/A | 297952 |
| 76 | Cooney & Furlong LIMITED | Ireland | Enniscorthy | Caim | Wexford | N/A | cooneyfurlong.***** | 1998 | $145,602,802 | 74 | N/A | N/A | 291213 |
| 77 | Natus Manufacturing LIMITED | Ireland | Galway | Ida Business Park | Galway | H91 PD92 | natus.***** | 2006 | $144,847,763 | 198 | N/A | N/A | 422983 |
| 78 | East Cork Oil Company Unlimited Company | Ireland | Midleton | Broomfield West | Cork | P25 XP38 | yourlocaloilcompany.***** | 1974 | $139,347,480 | 159 | N/A | N/A | 48971 |
| 79 | Calor Teoranta | Ireland | Dublin | Long Mile Road | Dublin | N/A | terranua.***** | 1954 | $137,715,799 | 171 | N/A | N/A | 15249 |
| 80 | Home Project Centre LIMITED | Ireland | Dublin | Unit 2 Building A Ballymount Retail Park | Dublin | D24 | N/A | 2011 | $136,836,020 | 21 | N/A | N/A | 507849 |
| 81 | Dublin Waste To Energy LIMITED | Ireland | Dublin | T/a Covanta | Dublin | D02 N2P2 | dublinwastetoenergy.***** | 2005 | $136,399,479 | 5 | N/A | N/A | 399060 |
| 82 | Roche Products (ireland) LIMITED | Ireland | Dublin | Citywest Business Campus | Dublin | N/A | N/A | 1994 | $135,532,240 | 85 | N/A | N/A | 214337 |
| 83 | Keelings Retail Unlimited Company | Ireland | Swords | Foodcentral | Dublin | N/A | keelings.***** | 2000 | $131,987,185 | 797 | N/A | N/A | 319995 |
| 84 | B & Q Ireland LIMITED | Ireland | Dublin | 2 Grand Canal Square | Dublin | D02 | country.***** | 1990 | $131,568,079 | 546 | N/A | N/A | 156844 |
| 85 | Quinns Of Baltinglass LIMITED | Ireland | Baltinglass | Mill Street | Wicklow | W91 H318 | kinsella.***** | 1964 | $128,914,781 | 176 | N/A | N/A | 21512 |
| 86 | Shreelawn Oil Company Unlimited Company | Ireland | Newmarket | Coolagh | Waterford | N/A | N/A | 1980 | $119,549,521 | 149 | N/A | N/A | 63549 |
| 87 | Target Fertilisers LIMITED | Ireland | Enniscorthy | Dranagh | Wexford | Y21 Y165 | N/A | 1998 | $116,692,874 | 23 | N/A | N/A | 308519 |
| 88 | Keary Motors LIMITED | Ireland | Cork | C/o Keary Motors | Cork | N/A | N/A | 2009 | $113,946,633 | 133 | N/A | N/A | 478411 |
| 89 | Kevin O'leary (clonmel) LIMITED | Ireland | Bandon | Irishtown | Cork | N/A | kevinoleary.***** | 1995 | $112,995,834 | 176 | N/A | N/A | 239658 |
| 90 | Gps Food Group (holdings) LIMITED | Ireland | Carrigtwohill | Unit A4, Fota Business Park | Cork | N/A | N/A | 2008 | $112,839,264 | 144 | N/A | N/A | 461082 |
| 91 | Sazerac Logistics LIMITED | Ireland | Dublin | 21 Gilford Road | Dublin | D04 H668 | N/A | 2021 | $112,694,573 | 2 | N/A | N/A | 699102 |
| 92 | Sig Trading (ireland) LIMITED | Ireland | Dublin | Sig House | Dublin | D24 E778 | sig.***** | 1996 | $110,789,519 | 247 | N/A | N/A | 250221 |
| 93 | National Pen Promotional Products LIMITED | Ireland | Dundalk | First Floor Building Finnabair Business and Technology Park | Louth | A91 XR61 | N/A | 2009 | $110,045,200 | 333 | N/A | N/A | 474116 |
| 94 | Sofidel Ireland LIMITED | Ireland | Dublin | 38 Mount Street Upper | Dublin | N/A | N/A | 2020 | $109,181,356 | 3 | N/A | N/A | 681452 |
| 95 | Covetrus IE LIMITED | Ireland | Limerick | Units 2 & 11 Annacotty Business Park | Limerick | V94 W6X4 | cmvet.***** | 1973 | $107,908,680 | 75 | N/A | N/A | 40375 |
| 96 | Barry & Fitzwilliam Unlimited Company | Ireland | Cork | Ballycurreen Industrial Estate | Cork | T12 X942 | bandf.***** | 1982 | $107,771,344 | 69 | N/A | N/A | 88805 |
| 97 | D. C. Poultry LIMITED | Ireland | Limerick | Galvone Business Park | Limerick | V42 E932 | dcpoultry.***** | 2001 | $105,769,810 | 70 | N/A | N/A | 343803 |
| 98 | Fannin LIMITED | Ireland | Dublin | Fannin House | Dublin | D18 Y0C9 | fannin.***** | 1969 | $105,276,327 | 314 | N/A | N/A | 29692 |
| 99 | National Hardware Designated Activity Company | Ireland | Enniscorthy | 10 Rafter Street | Wexford | Y21 X795 | smythshomevalue.***** | 1965 | $102,731,865 | 7 | N/A | N/A | 22222 |
| 100 | Takeda Products Ireland LIMITED | Ireland | Dublin | South Bank House | Dublin | D04 TR29 | takeda.***** | 2007 | $101,886,976 | 36 | N/A | N/A | 443657 |