| Hughie's Corner CLG CRO 814565 | 28 Apr 2026 |
| Trébol Recruitment Ltd CRO 801722 | 14 Nov 2025 |
| PDB Construction Ltd CRO 771697 | 11 Sep 2024 |
| Donegal EY Recruitment Services Ltd CRO 759934 | 13 Mar 2024 |
| Donegal Acres Project Ltd CRO 723614 | 2 Aug 2022 |
| Event Sanitation Ltd CRO 715691 | 22 Mar 2022 |
| Stewarts Garage Ltd CRO 697664 | 10 Jun 2021 |
| Inishowen Celtic Iron Ltd CRO 696289 | 24 May 2021 |
| Doherty White Motors Ltd CRO 693587 | 23 Apr 2021 |
| Barrick Hill Autos Ltd CRO 689150 | 1 Mar 2021 |
| Mullans Pharmacy Ltd CRO 597279 | 26 Jan 2017 |
| Green Light Films Ltd CRO 583741 | 2 Jun 2016 |
| Mark2menswear Ltd CRO 573368 | 11 Dec 2015 |
| The Original Aran Company Ltd CRO 565332 | 22 Jul 2015 |
| Spraoi Agus Sport Family Centre CLG CRO 536437 | 6 Dec 2013 |
| Sia Flexitanks Ltd CRO 499972 | 14 Jun 2011 |
| Inishowen Development Partnership CRO 447893 | 19 Oct 2007 |
| Crowe McLoughlin & Co Ltd CRO 433367 | 22 Jan 2007 |
| Ward Stone Ltd CRO 432592 | 8 Jan 2007 |
| Welditz Ltd CRO 427375 | 29 Sep 2006 |
| Colgan Community & Resource Centre CLG CRO 392598 | 19 Oct 2004 |
| Inishowen Community (And Recreational) Carndonagh Community School Sports Development Project Company CLG CRO 377966 | 11 Nov 2003 |
| A.O.C. Plant Hire Ltd CRO 346334 | 7 Aug 2001 |
| Donagh Creche Ltd CRO 329630 | 30 Jun 2000 |
| The Inishowen Agricultural Society Company CLG CRO 191312 | 15 Jul 1992 |
| Atlanfish Ltd CRO 178725 | 16 Sep 1991 |
| Ashley Martin Shop & Bar Fittings Ltd CRO 140442 | 17 Feb 1989 |
| Foyle Press Ltd CRO 92755 | 11 Jan 1983 |
| Inishowen Oil Company Ltd CRO 86122 | 13 Nov 1981 |
| Hillside Plastering Ltd CRO 826997 | 29 Sep 2026 |
| McGeoghan Contracts Ltd CRO 826225 | 17 Sep 2026 |
| Nu-Build Supplies Ltd CRO 825997 | 16 Sep 2026 |
| Rams Plastering Ltd CRO 825952 | 15 Sep 2026 |
| Glenagannon Contracts Ltd CRO 825604 | 10 Sep 2026 |
| PJ Plant & Contracts Ltd CRO 823128 | 11 Aug 2026 |
| RM Carelink Ltd CRO 823071 | 10 Aug 2026 |
| JJ Contract Point Ltd CRO 817835 | 9 Jun 2026 |
| Gme Home Elevation Ltd CRO 816870 | 28 May 2026 |
| Waycroft Holdings Ltd CRO 816587 | 26 May 2026 |
| Dermer Paving & Resin Ltd CRO 815617 | 14 May 2026 |
| Paddys Powerful Bottle Ltd CRO 814083 | 21 Apr 2026 |
| Verdehaus Ltd CRO 813952 | 20 Apr 2026 |
| Donegal Aggregate Resources Ltd CRO 812313 | 31 Mar 2026 |
| Aio Fire Safety Ltd CRO 809406 | 24 Feb 2026 |
| Panache Plastering Ltd CRO 804450 | 22 Dec 2025 |
| Finnco Plastering Ltd CRO 802595 | 27 Nov 2025 |
| Inishowen Custom Interiors Ltd CRO 802206 | 20 Nov 2025 |
| Foodie Hub Urris Ltd CRO 802216 | 20 Nov 2025 |
| MJ Healthcare Ltd CRO 802111 | 19 Nov 2025 |
| MCD Groundworks Contractors Ltd CRO 801777 | 14 Nov 2025 |
