| Luxon Electrical Ltd CRO 804329 · Drogheda | Drogheda | 19 Dec 2025 |
| Manley Homes Ne Ltd CRO 803425 · Duleek | Duleek | 9 Dec 2025 |
| Rogers Electrical & Labour Contracts Ltd CRO 798410 · Drogheda | Drogheda | 25 Sep 2025 |
| Nova Energy Ltd CRO 782294 · Dundalk | Dundalk | 24 Feb 2025 |
| Thermocore Ltd CRO 781285 · Ardee | Ardee | 11 Feb 2025 |
| Luxhouse Ltd CRO 769769 · Drogheda | Drogheda | 15 Aug 2024 |
| Dadn Construction Ltd CRO 769312 · Drogheda | Drogheda | 7 Aug 2024 |
| Kenneth Byrne Heating & Plumbing Solutions Ltd CRO 766074 · Dundalk | Dundalk | 17 Jun 2024 |
| Lorruano Lar Solutions Ltd CRO 765324 · Drogheda | Drogheda | 4 Jun 2024 |
| Leinster Drylining & Insulation Ltd CRO 761790 · Dundalk | Dundalk | 11 Apr 2024 |
| Approved Leinster Windows Ltd CRO 761527 · Drogheda | Drogheda | 9 Apr 2024 |
| Attic Living Ltd CRO 759520 · Carlingford | Carlingford | 8 Mar 2024 |
| Barry Rafferty Family Contractors Ltd CRO 758479 · Dunleer | Dunleer | 26 Feb 2024 |
| HMG Engineering Ltd CRO 748097 · Castlebellingham | Castlebellingham | 6 Sep 2023 |
| Conroy Fit Out Ltd CRO 746196 · Monasterboice | Monasterboice | 2 Aug 2023 |
| Jme Data Solutions Ltd CRO 740904 · Carlingford | Carlingford | 11 May 2023 |
| Inteqora Ltd CRO 739000 · Drogheda | Drogheda | 20 Apr 2023 |
| Harpermech Ltd CRO 734243 · Drogheda | Drogheda | 1 Feb 2023 |
| Ajk Electric & Solar Ltd CRO 733589 · Drogheda | Drogheda | 23 Jan 2023 |
| Sunlite Solar Ltd CRO 728493 · Dunleer | Dunleer | 27 Oct 2022 |
| MDL Renewables Ltd CRO 724496 · Drogheda | Drogheda | 19 Aug 2022 |
| Beltech Renewables Ltd CRO 723427 · Dundalk | Dundalk | 28 Jul 2022 |
| NWC Electrical Ltd CRO 721988 · Clogherhead | Clogherhead | 30 Jun 2022 |
| Cooke Bros Electrical Installation (IRL) Ltd CRO 706712 · Bellurgan | Bellurgan | 26 Oct 2021 |
| Oriel View Construction Ltd CRO 701888 · Drogheda | Drogheda | 18 Aug 2021 |
| Myles Fabrications Ltd CRO 680241 · Ardee | Ardee | 22 Oct 2020 |
| Taaffe Egan Construction Ltd CRO 673167 · Drogheda | Drogheda | 30 Jun 2020 |
| MLQ Construction Ltd CRO 664637 · Omeath | Omeath | 20 Jan 2020 |
| Lynco Glazing Ltd CRO 664309 · Dundalk | Dundalk | 15 Jan 2020 |
| New Age Timber Fittings Ltd CRO 663307 · Dundalk | Dundalk | 23 Dec 2019 |
| CMPD Decking Ltd CRO 660294 · Dundalk | Dundalk | 7 Nov 2019 |
| Manoak Ltd CRO 660248 · Castlebellingham | Castlebellingham | 6 Nov 2019 |
| C.P. McKeon Contracts Ltd CRO 660158 · Ardee | Ardee | 5 Nov 2019 |
| Envirobuild Ltd CRO 648877 · Dundalk | Dundalk | 26 Apr 2019 |
| Eurospec Insulation & Drywall Ltd CRO 647929 · Drogheda | Drogheda | 11 Apr 2019 |
| Leinster Gas Heating Ltd CRO 643206 · Drogheda | Drogheda | 7 Feb 2019 |
| Archaeological Consultancy Services Unit Ltd CRO 639305 · Drogheda | Drogheda | 10 Dec 2018 |
| Eco Home Improvements Ltd CRO 634620 · Dundalk | Dundalk | 25 Sep 2018 |
| JMK Developments Ltd CRO 628377 · Dundalk | Dundalk | 12 Jun 2018 |
| Antpat Construction Ltd CRO 623057 · Dundalk | Dundalk | 21 Mar 2018 |
| Shawport Civil and Building Contractors Ltd CRO 620567 | — | 7 Feb 2018 |
| Cranny Mechanical Ltd CRO 618692 · Carlingford | Carlingford | 12 Jan 2018 |
| A & G Gas Boilers Ltd CRO 618072 · Dundalk | Dundalk | 2 Jan 2018 |
| Halpenny Electrical Ltd CRO 617897 · Dundalk | Dundalk | 27 Dec 2017 |
| Floortherm Renewables Ltd CRO 616985 · Dundalk | Dundalk | 11 Dec 2017 |
| Callan Electrical Group Ltd CRO 614345 · Castlebellingham | Castlebellingham | 1 Nov 2017 |
| Blueline Testing Ltd CRO 610089 · Drogheda | Drogheda | 18 Aug 2017 |
| Plumbavent Irl Ltd CRO 602604 · Dundalk | Dundalk | 20 Apr 2017 |
| Finnegan Equipment Solutions Ltd CRO 599002 · Drogheda | Drogheda | 21 Feb 2017 |
| Amr Steel Construction Ltd CRO 597356 · Ardee | Ardee | 26 Jan 2017 |
