| Wise Heat Hvac Solutions Ltd CRO 787879 | — | 2 May 2025 |
| Crazy Pergola Ltd CRO 787040 · Tullow | Tullow | 24 Apr 2025 |
| Christopher O'Brien Heating and Plumbing Ltd CRO 778428 · Palatine | Palatine | 23 Dec 2024 |
| Modutech Switchgear Ltd CRO 776585 | — | 26 Nov 2024 |
| Brennan Glazing Services Ltd CRO 765316 · Ballinabrannagh | Ballinabrannagh | 4 Jun 2024 |
| Complete Screed Systems Ltd CRO 759259 · Tullow | Tullow | 6 Mar 2024 |
| J.J. Keogh & Sons Holdings Ltd CRO 758955 · Tullow | Tullow | 1 Mar 2024 |
| John Kavanagh Heating & Plumbing Holdings Ltd CRO 745529 · Borris | Borris | 24 Jul 2023 |
| Solarstream Residential Ireland Ltd CRO 742560 | — | 2 Jun 2023 |
| JW Solar Ltd CRO 737871 · Bagenalstown | Bagenalstown | 31 Mar 2023 |
| Solarvolt Ltd CRO 734943 · Milford | Milford | 13 Feb 2023 |
| Grid Solar Ltd CRO 727851 | — | 18 Oct 2022 |
| Dagda Contracts Ltd CRO 726623 · Myshall | Myshall | 27 Sep 2022 |
| Sun Arc Solar Systems Ltd CRO 719136 | — | 13 May 2022 |
| Ciaran Smith Heating Ltd CRO 714082 · Bennekerry | Bennekerry | 18 Feb 2022 |
| Myles Fitzpatrick Construction Ltd CRO 712237 | — | 24 Jan 2022 |
| Awtech Solutions Ltd CRO 704058 | — | 17 Sep 2021 |
| Cadi Off Site Ltd CRO 701228 · 44 Tullow Street | 44 Tullow Street | 5 Aug 2021 |
| Corcoran Precast Solutions Ltd CRO 698392 · Fenagh | Fenagh | 18 Jun 2021 |
| Rochemoyle Ltd CRO 693040 | — | 19 Apr 2021 |
| Moyle Windows Ltd CRO 690242 | — | 11 Mar 2021 |
| Travers Protective Coatings Ltd CRO 683447 | — | 30 Nov 2020 |
| JSM Falcon Builders Ltd CRO 662115 | — | 9 Dec 2019 |
| Dan Fenlon Heating & Plumbing Ltd CRO 648598 · Garryhill | Garryhill | 24 Apr 2019 |
| Debcon Construction Ltd CRO 623744 · Bagenalstown | Bagenalstown | 3 Apr 2018 |
| Dermot Byrne Construction & Property Maintenance Ltd CRO 606591 · Tullow | Tullow | 22 Jun 2017 |
| Brealey Windows & Doors Ltd CRO 597713 | — | 6 Feb 2017 |
| MM Parquet & Carpentry Ltd CRO 592814 · Myshall | Myshall | 11 Nov 2016 |
| Woodale Designs Ltd CRO 588594 | — | 31 Aug 2016 |
| Stone Fixing Specialists Ltd CRO 577403 · Tullow | Tullow | 17 Feb 2016 |
| Creo Structures Ltd CRO 566615 · Bagenalstown | Bagenalstown | 18 Aug 2015 |
| Newhaven Kitchens & Bedrooms Ltd CRO 551020 | — | 14 Oct 2014 |
| Autom8 Installations Ltd CRO 493291 | — | 4 Jan 2011 |
| GRT Hire Ltd CRO 471252 · Bagenalstown | Bagenalstown | 25 May 2009 |
| John Kavanagh Heating & Plumbing Ltd CRO 403148 · Borris | Borris | 1 Jun 2005 |
| Carlow Coatings Ltd CRO 384365 | — | 6 Apr 2004 |
| Aidan Nolan Construction Ltd CRO 825410 · Old Leighlin | Old Leighlin | 9 Sep 2026 |
| O'Neill Plant Hire and Construction Ltd CRO 825118 · Nurney | Nurney | 4 Sep 2026 |
| Quinn Oropesa Building Services Ltd CRO 822992 · Tullow | Tullow | 6 Aug 2026 |
| Oakpark Plant & Construction Ltd CRO 822403 · Oak Park | Oak Park | 29 Jul 2026 |
| Walker Aluminium Ltd CRO 822289 | — | 28 Jul 2026 |
| Bright Star Electric Ltd CRO 820099 | — | 2 Jul 2026 |
| Dun Ri Build Ltd CRO 820193 | — | 2 Jul 2026 |
| Jni Carpentry and Roofing Ltd CRO 820059 · Castleoaks | Castleoaks | 2 Jul 2026 |
| SKL Heating and Plumbing Services Ltd CRO 819949 · Bagenalstown | Bagenalstown | 30 Jun 2026 |
| Ciaran Byrne Carpentry Ltd CRO 819821 · Rathvilly | Rathvilly | 26 Jun 2026 |
| Donal Jordan Electrical Ltd CRO 818527 · Bagenalstown | Bagenalstown | 15 Jun 2026 |
| Pipeworks Site Services Ltd CRO 818060 | — | 10 Jun 2026 |
| Dylan Mahoney Electrical Ltd CRO 817904 · Rathvilly | Rathvilly | 9 Jun 2026 |
| Glenn Ryan Heating and Plumbing Ltd CRO 816839 · Nurney | Nurney | 28 May 2026 |
