| Elite Blacktop & Civil Ltd CRO 802846 · Ballycumber | Ballycumber | 2 Dec 2025 |
| Clear Sky Energy Ltd CRO 802383 · Tullamore | Tullamore | 25 Nov 2025 |
| KM Construction Ltd CRO 800080 · Clara | Clara | 28 Oct 2025 |
| Bloomdale Construction Ltd CRO 794801 · Birr | Birr | 12 Aug 2025 |
| Bluemont Developments (Elmfield) Ltd CRO 790492 · Tullamore | Tullamore | 11 Jun 2025 |
| Bluemont Developments (Clonmel) Ltd CRO 790487 · Tullamore | Tullamore | 10 Jun 2025 |
| Bluemont Developments (Balbriggan) Ltd CRO 790486 · Tullamore | Tullamore | 10 Jun 2025 |
| Triple a Windows Installations Ltd CRO 789557 · Ballycumber | Ballycumber | 27 May 2025 |
| Bluemont Developments (Midleton) Ltd CRO 788642 · Tullamore | Tullamore | 14 May 2025 |
| Aec Master Brick Ltd CRO 779357 · Edenderry | Edenderry | 10 Jan 2025 |
| Homestone Salvage Ltd CRO 778872 · Roscrea | Roscrea | 7 Jan 2025 |
| Peak Roofing Ltd CRO 742649 · Tullamore | Tullamore | 6 Jun 2023 |
| Buildmore Ltd CRO 735827 · Birr | Birr | 28 Feb 2023 |
| Solarready Ltd CRO 733859 · Banagher | Banagher | 26 Jan 2023 |
| Leo Dempsey Water Well Drilling Ltd CRO 732594 · Clonbullogue | Clonbullogue | 5 Jan 2023 |
| Sancrest Construction Ltd CRO 723862 · Birr | Birr | 8 Aug 2022 |
| David Flaherty Construction Ltd CRO 721601 · Birr | Birr | 23 Jun 2022 |
| Garry Construction GCS Ltd CRO 710199 · Birr | Birr | 16 Dec 2021 |
| Ryan Pure Air Ltd CRO 707931 · Athlone | Athlone | 12 Nov 2021 |
| Eco Wrap Ltd CRO 696914 · Ferbane | Ferbane | 31 May 2021 |
| O Rian Construction Ltd CRO 692257 · Edenderry | Edenderry | 9 Apr 2021 |
| Af Core Construction Ltd CRO 691588 · Edenderry | Edenderry | 31 Mar 2021 |
| RBK Construction Ltd CRO 686414 · Tullamore | Tullamore | 25 Jan 2021 |
| Bluemont Developments (Firhouse) Ltd CRO 680238 · Tullamore | Tullamore | 22 Oct 2020 |
| RSM Plumbing and Heating Ltd CRO 673227 · Edenderry | Edenderry | 1 Jul 2020 |
| Hughes Insulation Ltd CRO 669763 · Geashill | Geashill | 17 Apr 2020 |
| Aircon Automotive Ltd CRO 662196 · Birr | Birr | 9 Dec 2019 |
| Jason Henry Plant Hire Ltd CRO 659977 · Rhode | Rhode | 4 Nov 2019 |
| Midlands Fibreglass Ltd CRO 649701 · Birr | Birr | 9 May 2019 |
| Ecotec Insulation Ltd CRO 647487 | — | 5 Apr 2019 |
| Coffey Electrical Ltd CRO 636379 · Tullamore | Tullamore | 23 Oct 2018 |
| Easy Track Ltd CRO 634327 · Ferbane | Ferbane | 20 Sep 2018 |
| Ke Mann Builders Ltd CRO 625503 · Tullamore | Tullamore | 26 Apr 2018 |
| Tuar Ard Coffee Dock Ltd CRO 625025 · Clara | Clara | 19 Apr 2018 |
| Callisto Consulting Engineering Ltd CRO 623862 · Tullamore | Tullamore | 5 Apr 2018 |
| Ecohome Log Cabins Ltd CRO 617667 · Tullamore | Tullamore | 19 Dec 2017 |
| Bluemont Developments (Nenagh) Ltd CRO 615309 · Tullamore | Tullamore | 14 Nov 2017 |
| Allen Kenny Construction Ltd CRO 597789 · Tullamore | Tullamore | 7 Feb 2017 |
| Fititout Ltd CRO 596141 | — | 10 Jan 2017 |
| JDS Plumbing Ltd CRO 590012 · Edenderry | Edenderry | 26 Sep 2016 |
| Anua Environmental Ltd CRO 585810 · Banagher | Banagher | 8 Jul 2016 |
| KW Landscaping Ltd CRO 582430 · Birr | Birr | 16 May 2016 |
| White Knight Property Services Ltd CRO 565573 | — | 27 Jul 2015 |
| J. Chen Plastering Ltd CRO 556802 · Tullamore | Tullamore | 2 Feb 2015 |
| Abc Glazing Specialists Ltd CRO 509814 · Tullamore | Tullamore | 20 Feb 2012 |
| Finlay Eco-Fit Tullamore Ltd CRO 500560 · Tullamore | Tullamore | 28 Jun 2011 |
| Robedesign Sliding Wardrobes Ltd CRO 387598 · Tullamore | Tullamore | 18 Jun 2004 |
| Ballyglass Truss Company Ltd CRO 171453 · Tullamore | Tullamore | 20 Mar 1991 |
| Modebest Europe Ltd CRO 826170 · Tullamore | Tullamore | 17 Sep 2026 |
| Baile Nua Construction Ltd CRO 826220 · Birr | Birr | 17 Sep 2026 |
