| COMPANY | TOTAL TURNOVER | IRELAND TURNOVER | INTERNATIONAL TURNOVER | SECTOR | |||
|---|---|---|---|---|---|---|---|
| 1 | John Sisk & Son | €1,737,700,000 | €997,800,000 | €739,900,000 | General Building | ||
| 2 | Mercury | €1,700,000,000 | €581,000,000 | €1,119,000,000 | M&E Contracting | ||
| 3 | Jones | €1,083,000,000 | €663,000,000 | €420,000,000 | M&E Contracting | ||
| 4 | Winthrop Technologies Ltd | €1,033,579,000 | €427,111,000 | €606,468,000 | General Building | ||
| 5 | BAM Ireland €669,000,000 | €669,000,000 | €623,000,000 | €46,000,000 | General Building | ||
| 6 | John Paul Construction | €605,000,000 | €507,000,000 | €98,000,000 | General Building | ||
| 7 | PJ Hegarty & Company | €501,000,000 | €433,000,000 | €68,000,000 | General Building | ||
| 8 | Walls Construction Ltd | €473,000,000 | €473,000,000 | – | General Building | ||
| 9 | Dornan Group | €468,000,000 | €150,000,000 | €318,000,000 | M&E Contracting | ||
| 10 | Kirby Group Engineering | €454,100,000 | €269,300,000 | €184,800,000 | M&E Contracting | ||
| 11 | Collen Construction | €450,000,000 | €204,000,000 | €246,000,000 | General Building | ||
| 12 | Bennett Construction | €345,000,000 | €265,000,000 | €80,000,000 | General Building | ||
| 13 | JJ Rhatigan & Company | €320,000,000 | €229,700,000 | €90,300,000 | General Building | ||
| 14 | Suir Engineering Ltd | €313,000,000 | €242,000,000 | €71,000,000 | M&E Contracting | ||
| 15 | Murphy Ireland | €225,000,000 | €185,000,000 | €40,000,000 | General Building | ||
| 16 | Designer Group | €220,000,000 | €120,000,000 | €100,000,000 | M&E Contracting | ||
| 16 | Specialist Technical Engineering Services | €220,000,000 | €73,000,000 | €147,000,000 | M&E Contracting | ||
| 18 | Wills Bros | €200,000,000 | €126,000,000 | €74,000,000 | General Building | ||
| 19 | Ardmac Group Limited | €193,500,000 | €112,200,000 | €81,300,000 | General Building | ||
| 20 | mac-group | €188,700,000 | €112,300,000 | €76,400,000 | General Building | ||
| 21 | King & Moffatt Building Services | €155,000,000 | €48,000,000 | €107,000,000 | M&E Contracting | ||
| 22 | Conack Construction Ltd | €152,647,913 | €152,647,913 | – | General Building | ||
| 23 | Elliott Group | €145,000,000 | €120,000,000 | €25,000,000 | General Building | ||
| 24 | Errigal Contracts Ltd | €141,000,000 | €37,000,000 | €104,000,000 | General Building | ||
| 25 | Flynn Management & Contractors t/a Flynn | €132,000,000 | €101,300,000 | €30,700,000 | General Building | ||
| 26 | Monami Construction | €126,399,760 | €126,399,760 | – | General Building | ||
| 27 | Jons Civil Engineering Company Ltd | €102,000,000 | €102,000,000 | – | General Building | ||
| 28 | Townmore | €101,000,000 | €75,000,000 | €26,000,000 | General Building | ||
| 29 | ABM Group | €98,000,000 | €70,000,000 | €28,000,000 | General Building | ||
| 30 | Coffey | €94,500,000 | €87,000,000 | €7,500,000 | General Building | ||
| 31 | Vision Contracting Ltd | €92,500,000 | €92,500,000 | – | General Building | ||
| 32 | Clancy Project Management Limited | €90,823,335 | €90,823,335 | – | General Building | ||
| 33 | Radley Engineering | €86,955,871 | €84,767,599 | €2,188,272 | M&E Contracting | ||
| 34 | Ganson Building & Civil Engineering Ltd | €85,044,589 | €61,414,926 | €23,629,663 | General Building | ||
| 35 | Duggan Brothers (Contractors) Ltd | €85,000,000 | €85,000,000 | – | General Building | ||
| 36 | Gem Group | €84,600,000 | €84,600,000 | – | General Building | ||
| 37 | MSL Engineering Ltd | €77,000,000 | €69,000,000 | €8,000,000 | M&E Contracting | ||
| 38 | BMD & Company Ltd | €68,100,000 | €68,100,000 | – | M&E Contracting | ||
| 39 | Stewart Construction | €63,000,000 | €63,000,000 | – | General Building | ||
| 40 | CJK Engineering | €62,105,417 | €62,105,417 | – | M&E Contracting | ||
| 41 | Purcell Construction | €60,300,000 | €60,300,000 | – | General Building | ||
| 42 | Mannings Construction Group | €57,700,000 | €42,500,000 | €15,200,000 | General Building | ||
| 43 | Adston Group Holdings Ltd | €55,996,693 | €33,582,762 | €22,413,931 | General Building | ||
| 44 | Clonmel Enterprises Ltd | €55,970,799 | €55,970,799 | – | General Building | ||
| 45 | Lynskey Engineering Ltd | €54,100,000 | €29,830,000 | €24,270,000 | M&E Contracting | ||
| 46 | DFL | €53,548,581 | €51,298,140 | €2,250,441 | General Building | ||
| 47 | Kilcawley Construction | €50,300,000 | €50,300,000 | – | General Building | ||
| 48 | T&I Fitouts Ltd | €49,000,000 | €49,000,000 | – | General Building | ||
| 49 | Townlink Construction Ltd | €48,000,000 | €48,000,000 | – | General Building | ||
| 49 | Leo Lynch | €48,000,000 | €48,000,000 | – | M&E Contracting | ||
| 51 | MMD Construction | €46,500,000 | €46,500,000 | – | General Building | ||
| 52 | Arkil Holding Ltd (Arkil Ltd, Park Hire) | €45,920,000 | €45,871,000 | €49,000 | General Building | ||
| 53 | Tritech Group | €39,500,000 | €39,500,000 | – | M&E Contracting | ||
| 54 | Shareridge | €35,720,000 | €35,720,000 | – | General Building | ||
| 55 | Mythen Construction Ltd | €35,409,338 | €35,409,338 | – | General Building | ||
| 56 | Buttimer | €30,785,702 | €13,940,756 | €16,844,946 | M&E Contracting | ||
| 57 | Weltec Engineering | €30,001,373 | €30,001,373 | – | M&E Contracting | ||
| 58 | Cleary & Doyle Construction Ltd | 28,500,000 | 28,500,000 | – | General Building | ||
| 59 | John Cradock Ltd | €25,000,000 | €25,000,000 | – | General Building | ||
| 60 | Rockwell Engineering | €24,700,000 | €24,700,000 | – | M&E Contracting | ||
