| 1 | Synergen Power LIMITED | Ireland | Dublin | Pigeon House Road | Dublin | D04 | N/A | 1998 | $485,247,768 | 1 | N/A | N/A | 289737 |
| 2 | Citygate Motors Liffey Valley LIMITED | Ireland | Dublin | Glencullen House, Kylemore Road | Dublin | D10 | N/A | 1997 | $275,719,659 | 13 | N/A | N/A | 259459 |
| 3 | Mci (mirror Controls International) Ireland LIMITED | Ireland | Manorhamilton | Park Road | Leitrim | F91 K063 | mirrorcontrols.***** | 2001 | $176,568,558 | 244 | N/A | N/A | 345616 |
| 4 | Dennehy Commercials LIMITED | Ireland | Limerick | Dock Road | Limerick | V94 PV0N | dennehycommercials.***** | 2006 | $77,230,523 | 92 | N/A | N/A | 417819 |
| 5 | Mcelvaney Motors LIMITED | Ireland | Monaghan | Monaghan Co-op | Monaghan | H18 VK16 | mcelvaneymotors.***** | 1979 | $73,053,081 | 91 | N/A | N/A | 68229 |
| 6 | Kearys Of Cork Unlimited Company | Ireland | Cork | Kearys of Cork | Cork | N/A | N/A | 1985 | $71,804,265 | 80 | N/A | N/A | 106534 |
| 7 | Al Hayes Motors Ennis LIMITED | Ireland | Ennis | Gort Road | Clare | N/A | alhayesmotors.***** | 2015 | $55,902,936 | 49 | N/A | N/A | 564084 |
| 8 | Doran Motors Holdings LIMITED | Ireland | Carrickmacross | Maheracloone | Monaghan | A81 DN80 | N/A | 2022 | $50,009,632 | 64 | N/A | N/A | 720471 |
| 9 | Dennison Trailers Unlimited Company | Ireland | Naas | Maudlins Cross | Kildare | W91 H297 | N/A | 1981 | $43,345,231 | 126 | N/A | N/A | 83686 |
| 10 | Gc Autos LIMITED | Ireland | Dublin | M50 Business Park Ballymount Avenue | Dublin | D12 YP1D | N/A | 2001 | $38,590,528 | 50 | N/A | N/A | 341396 |
| 11 | Daf Truck Services (cork) LIMITED | Ireland | Cork | Old Mallow Road | Cork | N/A | truckservices.***** | 1985 | $33,009,316 | 40 | N/A | N/A | 109452 |
| 12 | Meath Farm Machinery LIMITED | Ireland | Navan | Kilberry | Meath | C15 X678 | meathfarmmachinery.***** | 1978 | $32,368,546 | 42 | N/A | N/A | 65759 |
| 13 | Phoenix Automotive Engineering LIMITED | Ireland | Dublin 7 | Grangegorman Court | Dublin | D07PW9N | N/A | 2020 | $31,638,515 | 185 | N/A | N/A | 683897 |
| 14 | Mci (mirror Controls International) Ireland Operations LIMITED | Ireland | Dublin | South Bank House | Dublin | D04 TR29 | N/A | 2010 | $31,638,515 | 185 | N/A | N/A | 486494 |
| 15 | Mccormack Garages Sligo LIMITED | Ireland | Sligo | Mail Coach Road | Sligo | N/A | oildelivery.***** | 1984 | $31,282,157 | 87 | N/A | N/A | 101841 |
| 16 | O'rourke Quilter Motors LIMITED | Ireland | Clonsilla | Coolmine Industrial Estate | Dublin | N/A | N/A | 1994 | $29,838,076 | 68 | N/A | N/A | 220020 |
| 17 | Summerhill Commercial Repair Centre LIMITED | Ireland | Dublin | Unit 2 Northern Cross Business Park | Dublin | D11 E54F | m50truckandvancentre.***** | 1984 | $28,179,449 | 111 | N/A | N/A | 100621 |
| 18 | Brian Noone LIMITED | Ireland | Naas | Straffan Road | Kildare | W23 A2Y3 | noone.***** | 2004 | $28,176,403 | 25 | N/A | N/A | 391037 |
| 19 | Orient Motors LIMITED | Ireland | Wexford | Ardcavan | Wexford | N/A | wexfordcarcentre.***** | 1981 | $27,431,650 | 29 | N/A | N/A | 83252 |
| 20 | Ace Autobody LIMITED | Ireland | Dublin | Convent Avenue | Dublin | D03 FA02 | aceautobody.***** | 1978 | $26,974,714 | 144 | N/A | N/A | 76855 |
| 21 | Linde Material Handling (ireland) LIMITED | Ireland | Dublin | Unit 1 Parkway Business Centre | Dublin | D24 E5ND | lindemh.***** | 1989 | $26,716,460 | 62 | N/A | N/A | 148029 |
| 22 | Spanners LIMITED | Ireland | Navan | Beauparc Business Park | Meath | N/A | N/A | 2012 | $24,007,099 | 57 | N/A | N/A | 510821 |
| 23 | Auto Conversions LIMITED | Ireland | Tullamore | Frederick Street | Offaly | R35 YD65 | wilkergroup.***** | 1975 | $23,882,922 | 100 | N/A | N/A | 44990 |
| 24 | Surehaul (irl) LIMITED | Ireland | Clonmel | Derrygrath | North Tipperary | N/A | surehaul.***** | 1977 | $21,176,942 | 53 | N/A | N/A | 60572 |
| 25 | Padraig Cawley Commercials LIMITED | Ireland | Sligo | Drinaghan | Sligo | F91 FK27 | cawleys.***** | 1984 | $20,271,188 | 44 | N/A | N/A | 99865 |
| 26 | O'loughlin Holiday Park LIMITED | Ireland | Gorey | Ardamine | Wexford | Y25 AY77 | parklandsmobilehomes.***** | 1997 | $18,728,907 | 175 | N/A | N/A | 262250 |
| 27 | Central Motor Group LIMITED | Ireland | Dublin | Unit 3 Phoenix Industrial Estate | Dublin | D15 Y1XY | soraghanautocare.***** | 1975 | $18,071,157 | 40 | N/A | N/A | 52368 |
| 28 | Mc Cabe Masonry LIMITED | Ireland | Ballyjamesduff | Derrylea | Cavan | N/A | N/A | 2015 | $17,490,865 | 64 | N/A | N/A | 563214 |
| 29 | Bernard Kavanagh & Sons LIMITED | Ireland | Urlingford | Bridge Garage | Kilkenny | E41 X0D2 | bkavcoaches.***** | 1966 | $15,029,656 | 100 | N/A | N/A | 24482 |
| 30 | Coant Hotels LIMITED | Ireland | Enniscorthy | The Riverside Hotel | Wexford | Y21 T2F4 | N/A | 2015 | $14,282,807 | 204 | N/A | N/A | 563338 |
| 31 | Polestar Automotive Ireland LIMITED | Ireland | Dublin | Polestar Automotive Ireland Limited | Dublin | D18 C9X6 | N/A | 2021 | $13,394,209 | 3 | N/A | N/A | 703485 |
| 32 | Road Safety Operations Ireland Unlimited Company | Ireland | Dublin | 28 Fitzwilliam Street Lower | Dublin | D02 | N/A | 2009 | $12,416,797 | 108 | N/A | N/A | 475239 |
| 33 | Bulldog Motors & Electronics Distribution LIMITED | Ireland | Dublin | 3 Cavendish Row | Dublin | D01 KV26 | N/A | 2019 | $11,070,366 | 34 | N/A | N/A | 646452 |
| 34 | J. Harris (assemblers) Unlimited Company | Ireland | Dublin 12 | Naas Road Dublin | Dublin | D12 VO65 | harrisgroup.***** | 1940 | $11,070,366 | 34 | N/A | N/A | 23620 |
| 35 | Roadmaster Caravans LIMITED | Ireland | Thurles | Johnstown | North Tipperary | E41 TD40 | roadmaster.***** | 1966 | $10,538,962 | 60 | N/A | N/A | 23653 |
| 36 | Timoney Dynamic Solutions LIMITED | Ireland | Navan | Ida Technology Park | Meath | C15 PX45 | timoneygroup.***** | 1974 | $9,851,823 | 51 | N/A | N/A | 48368 |
| 37 | Decotek Automotive LIMITED | Ireland | Westmeath | Collinstown | N/A | N91 KHN1 | N/A | 2018 | $7,572,671 | 390 | N/A | N/A | 631941 |
| 38 | Minogues Garage LIMITED | Ireland | Thurles | Clomantagh | North Tipperary | E41 A621 | N/A | 2000 | $7,149,173 | 16 | N/A | N/A | 336647 |
| 39 | Clancy Radiators LIMITED | Ireland | Limerick | Crossagalla Industrial Estate | Limerick | N/A | clancyradiators.***** | 1977 | $7,011,779 | 42 | N/A | N/A | 57949 |
| 40 | Corcorans Engineering Enterprises LIMITED | Ireland | Castlebar | Industrial Estate | Mayo | F23 R220 | enginere.***** | 1991 | $7,011,779 | 41 | N/A | N/A | 172322 |
| 41 | Sperling Enterprises (europe) PTY LIMITED | Ireland | Dublin | Block 3 | Dublin | D02 A339 | N/A | 2024 | $7,011,779 | 41 | N/A | N/A | 761109 |
| 42 | Yokogawa Europe Branches B.V. | Ireland | Rathcoole | Unit 411 Grants Park | Dublin | N/A | N/A | 2007 | $7,011,779 | 41 | N/A | N/A | 905994 |
| 43 | Nord Gear LIMITED | Ireland | Dublin | 13-18 City Quay | Dublin | N/A | N/A | 1994 | $7,011,779 | 41 | N/A | N/A | 909066 |
| 44 | Fogmaker Ireland LIMITED | Ireland | Dublin 7 | The Black Church | Dublin | D07P4AX | N/A | 2016 | $7,011,779 | 41 | N/A | N/A | 593593 |
| 45 | Silwood Number Plate Components (europe) LIMITED | Ireland | Carlow | C/o Cls Chartered Secretaries Enterprise House | Carlow | N/A | N/A | 2019 | $7,011,779 | 41 | N/A | N/A | 662856 |
| 46 | Granning Axles And Suspensions LIMITED | Ireland | Naas | Unit B | Kildare | W91 YH30 | granningaxles.***** | 1995 | $7,011,779 | 37 | N/A | N/A | 227924 |
| 47 | Paramount Conversions LIMITED | Ireland | Tullamore | Riverview Commercial Park | Offaly | N/A | paramountconversions.***** | 2009 | $7,011,779 | 16 | N/A | N/A | 477399 |
| 48 | Dmc Commercials LIMITED | Ireland | Cork | Dromard Willsfort | Cork | N/A | jaycommercials.***** | 2003 | $7,011,779 | 2 | N/A | N/A | 373210 |
| 49 | Tralee Shopping Centre (2004) LIMITED | Ireland | Tralee | The Grand Hotel | Kerry | V92NDT8 | N/A | 2004 | $5,593,186 | 77 | N/A | N/A | 388299 |
| 50 | Regan Machinery Sales LIMITED | Ireland | Roscommon | Frenchpark | Roscommon | N/A | N/A | 2018 | $4,961,131 | 8 | N/A | N/A | 624749 |
| 51 | Bioverda Power Systems LIMITED | Ireland | Dublin | Dunsink Lane | Dublin | N/A | N/A | 1996 | $4,455,494 | 13 | N/A | N/A | 218386 |
| 52 | I.M. New Energy Vehicles Ireland LIMITED | Ireland | Dublin | Im House | Dublin | N/A | N/A | 2022 | $2,778,836 | 3 | N/A | N/A | 711405 |
| 53 | Clossan LIMITED | Ireland | Dublin | 164 Walkinstown Road Dublin 12. | Dublin | D12TD5X | N/A | 1975 | $2,511,249 | 77 | N/A | N/A | 52920 |
| 54 | Redside Investments Unlimited Company | Ireland | Limerick | Hillview Woodford | Limerick | N/A | N/A | 1981 | $2,511,249 | 40 | N/A | N/A | 81917 |
| 55 | Newhall Construction LIMITED | Ireland | Naas | Toughers Business Park | Kildare | N/A | dfconstructions.***** | 1995 | $2,511,249 | 13 | N/A | N/A | 227311 |
| 56 | Noel Byrne Auto Electrical LIMITED | Ireland | Dublin | Unit 4 Limekiln Business Park | Dublin | D12 W2PH | noelbyrneautoelectrical.***** | 1990 | $2,511,249 | 13 | N/A | N/A | 164425 |
| 57 | Patrick Cahill (graighnamanagh) LIMITED | Ireland | Kilkenny | High St | Kilkenny | N/A | cahilltruckbodies.***** | 1973 | $2,511,249 | 11 | N/A | N/A | 41891 |
| 58 | Reward Catering LIMITED | Ireland | Dublin | Unit D7 Ballymount Drive | Dublin | N/A | rewardcatering.***** | 2018 | $2,511,249 | 10 | N/A | N/A | 630464 |
| 59 | Bridgeway Engineering LIMITED | Ireland | Athlone | Cloniff | West Meath | N37 V4P8 | N/A | 2007 | $2,511,249 | 5 | N/A | N/A | 448399 |
| 60 | Michael Madden Specialist Cars LIMITED | Ireland | Kilkenny | Newtown, Bonnettstown | Kilkenny | N/A | maddencardismantlers.***** | 1995 | $2,511,249 | 5 | N/A | N/A | 237887 |
| 61 | Fapi Motors Ireland LIMITED | Ireland | Dublin | Famalco House | Dublin | D12DFC6 | N/A | 2018 | $2,511,249 | 4 | N/A | N/A | 628010 |
| 62 | Bmks LIMITED | Ireland | Muine Bheag | Convent Hill | Carlow | R21 NP73 | N/A | 1995 | $2,511,249 | 3 | N/A | N/A | 230968 |
| 63 | Applus Car Testing Service LIMITED | Ireland | Dublin | Unit 3026 Lake Drive | Dublin | D24 RC8V | ncts.***** | 2008 | $2,333,841 | 27 | N/A | N/A | 464326 |
| 64 | Pat Coyne Tyres LIMITED | Ireland | Monaghan | Philip White Tyres | Monaghan | A75 PN29 | N/A | 1992 | $1,795,425 | 6 | N/A | N/A | 190983 |
| 65 | Crosbie Brothers LIMITED | Ireland | Wexford | Newtown Road | Wexford | Y35 YC56 | cbltd.***** | 1999 | $1,785,255 | 18 | N/A | N/A | 312441 |
| 66 | Maha Ireland LIMITED | Ireland | Rathcoole | 629 Jordanstown Avenue | Dublin | D24 DV50 | mahaireland.***** | 1998 | $1,560,299 | 25 | N/A | N/A | 282005 |
| 67 | Pat Andrews Motors LIMITED | Ireland | Dublin | Kylemore Park North | Dublin | D10 TR82 | andrewsmotors.***** | 1986 | $1,560,299 | 19 | N/A | N/A | 116812 |
| 68 | Aa CORPORATION LIMITED | Ireland | Dublin | 56 Drury Street | Dublin | D02 NP99 | theaa.***** | 1999 | $1,560,299 | 19 | N/A | N/A | 904475 |
| 69 | Happy Clean LIMITED | Ireland | Dublin | 68 Annagh Court Waterville | Dublin | D15 | professionalcarpetcleaning.***** | 2015 | $1,023,116 | 35 | N/A | N/A | 563580 |
| 70 | Harris Real Estate Holdings Group Unlimited Company | Ireland | Dublin | Harris Group | Dublin | N/A | harrisgroup.***** | 2021 | $976,797 | 251 | N/A | N/A | 688267 |
| 71 | Cara Motor Homes LIMITED | Ireland | Newcastle West | Coolanoran | Limerick | V42 NV34 | caramotorhomes.***** | 2007 | $976,797 | 28 | N/A | N/A | 445425 |
| 72 | Bruder Expedition Europe LIMITED | Ireland | Ashbourne | Dublin Road | Meath | A84 AY28 | N/A | 2023 | $976,797 | 26 | N/A | N/A | 733854 |
| 73 | Isuzu Ireland 2020 Unlimited Company | Ireland | Dublin | Harris Group Naas Road | Dublin | D12 V065 | N/A | 2019 | $976,797 | 20 | N/A | N/A | 658671 |
| 74 | Paramount Coach Sales LIMITED | Ireland | Tullamore | Riverview Commercial Park | Offaly | N/A | N/A | 2020 | $976,797 | 3 | N/A | N/A | 684375 |
| 75 | Ballyheashill Enterprises LIMITED | Ireland | Rhode | Ballyheashill | Offaly | N/A | N/A | 2017 | $976,797 | 3 | N/A | N/A | 598527 |
| 76 | Glendun Plant LIMITED | Ireland | Dublin | 252 Fairbairn House Bellevue Island Bridge | Dublin | D08 | N/A | 2018 | $976,797 | 3 | N/A | N/A | 638836 |
| 77 | Bs Tractors LIMITED | Ireland | Cavan | Old Belturbet Road | Cavan | N/A | N/A | 2021 | $976,797 | 3 | N/A | N/A | 692420 |
| 78 | C&M Motorsport Ireland LIMITED | Ireland | Donegal | 15 Beach Cottages | Donegal | F94 W593 | N/A | 2022 | $976,797 | 3 | N/A | N/A | 716311 |
| 79 | Pier Motors LIMITED | Ireland | Tramore B | Office 8 | Cork | N/A | N/A | 1990 | $976,797 | 3 | N/A | N/A | 155771 |
| 80 | Mpm Plant & Machinery LIMITED | Ireland | Dublin | Support Centre Terminal 5 | Dublin | D01 AC93 | N/A | 2018 | $976,797 | 3 | N/A | N/A | 619769 |
| 81 | Central Motor Homes LIMITED | Ireland | Meath | Unit 7 Ashbourne Industrial Park | N/A | N/A | N/A | 2025 | $976,797 | 3 | N/A | N/A | 789341 |
| 82 | C.C.R. Salvage LIMITED | Ireland | Ballinasloe | Creeveroe | Galway | N/A | N/A | 2021 | $976,797 | 3 | N/A | N/A | 701860 |
| 83 | Interparts (cavan) LIMITED | Ireland | Cavan | Hampton Court | Cavan | H12 YY84 | interparts.***** | 1987 | $976,797 | 3 | N/A | N/A | 122724 |
| 84 | Midland Classic & Performance LIMITED | Ireland | Mullingar | Grove Street | West Meath | N/A | N/A | 2024 | $976,797 | 3 | N/A | N/A | 769138 |
| 85 | Mcrent Ireland LIMITED | Ireland | Newcastle West | Coolanoran | Limerick | N/A | N/A | 2019 | $976,797 | 3 | N/A | N/A | 642170 |
| 86 | Glencullen Retail LIMITED | Ireland | Dublin | Glencullen House, Kylemore Road | Dublin | D10 | N/A | 1997 | $976,797 | 3 | N/A | N/A | 267018 |
| 87 | Jfs Commercial Sales LIMITED | Ireland | Tuam | Unit 21 Manwar Business Park | Galway | H54 C584 | N/A | 2019 | $976,797 | 3 | N/A | N/A | 659124 |
| 88 | Priory Motorcycles And Quads LIMITED | Ireland | Dublin | Dublin Industrial Estate | Dublin | N/A | suzuki-ireland.***** | 2022 | $976,797 | 3 | N/A | N/A | 720083 |
| 89 | Bunk Campers LTD | Ireland | Dublin | 13-18 City Quay | Dublin | DO2 ED70 | N/A | 2006 | $976,797 | 3 | N/A | N/A | 909222 |
| 90 | Lambretta GMBH LIMITED | Ireland | Dublin | Charter House | Dublin | D02 FW61 | N/A | 2023 | $976,797 | 3 | N/A | N/A | 754760 |
| 91 | Aircom Vw LIMITED | Ireland | Dublin 7 | 305 North Circular Road | Dublin | N/A | N/A | 2019 | $976,797 | 3 | N/A | N/A | 654148 |
| 92 | Bamford Bus Company Ireland LIMITED | Ireland | Dublin | 8th Floor, Block E, Iveagh Court | Dublin | N/A | N/A | 2021 | $976,797 | 3 | N/A | N/A | 688028 |
| 93 | Electric Paddy Bikes & Scooters LIMITED | Ireland | Dublin | Cashel Road Business Centre | Dublin | N/A | N/A | 2022 | $976,797 | 1 | N/A | N/A | 725119 |
| 94 | Dgh Agri & Plant LIMITED | Ireland | Bailieborough | Kells Road | Cavan | N/A | heeryapa.***** | 2017 | $976,797 | 1 | N/A | N/A | 612613 |
| 95 | Kevin Connolly Car Sales Unlimited Company | Ireland | Ballina | Ballina House | Mayo | F26 TF61 | N/A | 1997 | $955,000 | 34 | N/A | N/A | 271381 |
| 96 | Mt Car Services LIMITED | Ireland | Swords | M.t. Service A2, Metropoint Business Park | Dublin | K67 DY05 | N/A | 2021 | $915,826 | 3 | N/A | N/A | 685236 |
| 97 | Grand Motors LIMITED | Ireland | Waterford | Grand Motors Ireland Unit 624 | Waterford | X91 N840 | N/A | 2023 | $852,988 | 4 | N/A | N/A | 741752 |
| 98 | Key Yachting International LIMITED | Ireland | Cork | First Floor, Penrose 1 Penrose Dock | Cork | T23 KW81 | N/A | 2018 | $664,991 | 2 | N/A | N/A | 619614 |
| 99 | Road Optics LIMITED | Ireland | Dublin | Rock House Baldonnell | Dublin | D22 A7X2 | N/A | 2018 | $602,403 | 3 | N/A | N/A | 629511 |
| 100 | Johnstons' Caravans LIMITED | Ireland | Letterkenny | Dromore | Donegal | F92 PP89 | johnstonscaravans.***** | 1980 | $589,000 | 15 | N/A | N/A | 79037 |