| JW Browne Electrical Ltd CRO 771329 · Mohill | Mohill | 5 Sep 2024 |
| Awnings & Pergolas Ltd CRO 753602 · Drumshanbo | Drumshanbo | 8 Dec 2023 |
| Nuarc Energy Ltd CRO 753522 | — | 7 Dec 2023 |
| CB Electrical Services Ltd CRO 741815 · Carrick-On-Shannon | Carrick-On-Shannon | 23 May 2023 |
| Allenbrooke Development Company Ltd CRO 733285 · Drumshanbo | Drumshanbo | 18 Jan 2023 |
| Paul Kilkenny & Sons Ltd CRO 681606 | — | 10 Nov 2020 |
| CK Steelworks Ltd CRO 677529 · Aughavas | Aughavas | 9 Sep 2020 |
| Christy O'Rourke Roofing & Cladding Ltd CRO 653220 · Carrick-On-Shannon | Carrick-On-Shannon | 9 Jul 2019 |
| King & Moffatt Offsite Ltd CRO 652120 · Carrick-On-Shannon | Carrick-On-Shannon | 20 Jun 2019 |
| Mastic Applications & Pointing Ltd CRO 623861 · Dromod | Dromod | 5 Apr 2018 |
| P & N Kelly Construction (Dromahair) Ltd CRO 590280 · Dromahair | Dromahair | 29 Sep 2016 |
| Leitrim Warmer Homes CLG CRO 582997 · Drumshanbo | Drumshanbo | 23 May 2016 |
| Eamonn McPartland Construction Ltd CRO 562931 · Dromahair | Dromahair | 11 Jun 2015 |
| CDM Contracts Ltd CRO 550951 | — | 13 Oct 2014 |
| Beirne Coatings Ltd CRO 457816 · Drumshanbo | Drumshanbo | 22 May 2008 |
| Shannon Valley Plant Hire Ltd CRO 169863 · Drumshanbo | Drumshanbo | 8 Feb 1991 |
| BMCG Construction Ltd CRO 826210 · Ballinamore | Ballinamore | 17 Sep 2026 |
| Droimcaoin Developments Ltd CRO 825294 · Ballinamore | Ballinamore | 8 Sep 2026 |
| MSR Contracts (ROI) Ltd CRO 824125 · Manorhamilton | Manorhamilton | 25 Aug 2026 |
| David Clancy Construction Ltd CRO 819184 · Manorhamilton | Manorhamilton | 22 Jun 2026 |
| K.E.L.T. Civil Works Ltd CRO 815740 · Mohill | Mohill | 15 May 2026 |
| Farrelly Construction Contractors Ltd CRO 814852 · Aughavas | Aughavas | 5 May 2026 |
| B-Stone Ltd CRO 802892 · Mohill | Mohill | 2 Dec 2025 |
| My Shed Shop Ltd CRO 796424 · Carrick On Shannon | Carrick On Shannon | 2 Sep 2025 |
| Maple Facades EU Ltd CRO 794485 · Carrick On Shannon | Carrick On Shannon | 6 Aug 2025 |
| Verso Consultancy Services Ltd CRO 792875 · Glenfarne | Glenfarne | 14 Jul 2025 |
| Keaney Agri Services Ltd CRO 792480 · Manorhamilton | Manorhamilton | 9 Jul 2025 |
| Ksu Projects Ltd CRO 792185 · Carrigallen | Carrigallen | 4 Jul 2025 |
| Alderoak Ltd CRO 790495 · Carrick-On-Shannon | Carrick-On-Shannon | 11 Jun 2025 |
| GD Carpentry and Construction Ltd CRO 788116 · Fenagh | Fenagh | 7 May 2025 |
| Solar Compare Ltd CRO 784537 · Ballinamore | Ballinamore | 25 Mar 2025 |
| TW Property Maintenance Ltd CRO 782727 · Kinlough | Kinlough | 28 Feb 2025 |
| Fitzpatrick Bricklaying and Construction Ltd CRO 781929 · Mohill | Mohill | 19 Feb 2025 |
| Hamill Contracts Ltd CRO 780548 · Ballinamore | Ballinamore | 29 Jan 2025 |
| T Brennan Construction & Maintenance Ltd CRO 780450 · Annaghmore | Annaghmore | 28 Jan 2025 |
| MCD Surfacing Ltd CRO 778870 · Carrick-On-Shannon | Carrick-On-Shannon | 7 Jan 2025 |
| SG Electrical Specialist Ltd CRO 776941 · Dromahair | Dromahair | 2 Dec 2024 |
| Em Constructions PVC Windows & Doors Ltd CRO 776115 · Ballinamore | Ballinamore | 19 Nov 2024 |
| DFK Civils Ltd CRO 775518 | — | 11 Nov 2024 |
| C.A.G Construction Services Ltd CRO 773236 · Carrick-On-Shannon | Carrick-On-Shannon | 4 Oct 2024 |
| Willowhill Works Ltd CRO 765892 · Carrigallen | Carrigallen | 13 Jun 2024 |
| A Reilly Electrical Ltd CRO 758571 · Dromod | Dromod | 27 Feb 2024 |
| SL Joinery and Construction Ltd CRO 758116 · Kinlough | Kinlough | 20 Feb 2024 |
| Klover Gate Developments Ltd CRO 757894 · Carrick-On-Shannon | Carrick-On-Shannon | 16 Feb 2024 |
| All Things Civil Ltd CRO 757656 · Kiltyclogher | Kiltyclogher | 14 Feb 2024 |
| Martin Windows Ltd CRO 750207 · Carrick-On-Shannon | Carrick-On-Shannon | 11 Oct 2023 |
| Shannon Curtain Fixing Ltd CRO 746059 · Carrick-On-Shannon | Carrick-On-Shannon | 1 Aug 2023 |
| Fee Precast Solutions Ltd CRO 745208 · Carrigallen | Carrigallen | 18 Jul 2023 |
| Select Contractors & Plant Hire Ltd CRO 741472 · Ballinamore | Ballinamore | 18 May 2023 |
| Premier Living Ltd CRO 740872 · Carrick-On-Shannon | Carrick-On-Shannon | 11 May 2023 |
