| GTSS Global Training Safety Solutions DAC CRO 709097 · 14 Washington Street West | 14 Washington Street West | 30 Nov 2021 |
| Rottguard Fire Systems Ltd CRO 628596 · Cullen | Cullen | 15 Jun 2018 |
| South Munster Money Advice & Budgeting Service CLG CRO 621210 | — | 16 Feb 2018 |
| Ayrton Consultancy Ltd CRO 431214 · Newmarket | Newmarket | 6 Dec 2006 |
| Citizens Information Phone Service CLG CRO 313213 · Blackrock | Blackrock | 30 Sep 1999 |
| Beara Tourism & Development Association CLG CRO 312198 · Castletownbere | Castletownbere | 9 Sep 1999 |
| Seven Heads Walk CLG CRO 310652 · Bandon | Bandon | 5 Aug 1999 |
| The Kanturk Sheltered Housing Association CLG CRO 300130 · Kanturk | Kanturk | 19 Jan 1999 |
| Joe O'Reilly Tours Ltd CRO 297067 | — | 26 Nov 1998 |
| Irish Rugby Tours Ltd CRO 296633 · Carrigaline | Carrigaline | 20 Nov 1998 |
| Travel Focus Ltd CRO 284747 | — | 27 Apr 1998 |
| Quality Services International Ltd CRO 218440 · Mallow | Mallow | 13 Jun 1994 |
| Ird Duhallow CLG CRO 176369 · Newmarket | Newmarket | 11 Jul 1991 |
| Cobh Heritage Trust CLG CRO 142204 · Cobh | Cobh | 31 Mar 1989 |
| Killeagh Safety Services Ltd CRO 822433 · Killeagh | Killeagh | 29 Jul 2026 |
| JFS Fire Safety Ltd CRO 815880 | — | 18 May 2026 |
| Fire Protection Design Solutions Ltd CRO 808326 · Carrigaline | Carrigaline | 11 Feb 2026 |
| B Ready Solutions Ltd CRO 798093 · Rathcormac | Rathcormac | 23 Sep 2025 |
| TLC Safety Consultancy Ltd CRO 796678 · Upper Faithill | Upper Faithill | 4 Sep 2025 |
| Proactive Ehs Ltd CRO 790759 · Kinsale | Kinsale | 16 Jun 2025 |
| Narovon Safety Services Ltd CRO 783709 · Mallow | Mallow | 11 Mar 2025 |
| DPK Health & Safety Ltd CRO 778071 · Newmarket | Newmarket | 18 Dec 2024 |
| Bru Health Safety & Engineering Ltd CRO 767794 · Fountainstown | Fountainstown | 15 Jul 2024 |
| Fire Investigation and Remedial Engineering Ltd CRO 759471 · Charleville | Charleville | 8 Mar 2024 |
| Wise Fire Training Services Ltd CRO 759446 · Ovens | Ovens | 8 Mar 2024 |
| First Responder Services Ltd CRO 758708 · Douglas | Douglas | 28 Feb 2024 |
| She Consultants Ltd CRO 751371 · New Mallow Road | New Mallow Road | 31 Oct 2023 |
| Ma Compliance Ltd CRO 748628 · Skibbereen | Skibbereen | 15 Sep 2023 |
| Murnaghan Safety Services Ltd CRO 727534 | — | 12 Oct 2022 |
| Academy Administration Resources Ltd CRO 722738 | — | 19 Jul 2022 |
| Bowman Safety Services Ltd CRO 718031 | — | 26 Apr 2022 |
| Tailored Fire & Security Ireland Ltd CRO 707424 · Clonakilty | Clonakilty | 8 Nov 2021 |
| Cork Resource Safety Ltd CRO 702872 · Cobh | Cobh | 1 Sep 2021 |
| Vialys Ltd CRO 693082 | — | 19 Apr 2021 |
| Moonsyst International Ltd CRO 682963 · Kinsale | Kinsale | 24 Nov 2020 |
| Greenbrick Solar Ltd CRO 682764 | — | 24 Nov 2020 |
| First Call Legal Ltd CRO 669914 | — | 21 Apr 2020 |
| Economic Sense Ltd CRO 656474 · Cobh | Cobh | 5 Sep 2019 |
| Quench Fire Safety Services Ltd CRO 645531 · Glanmire | Glanmire | 11 Mar 2019 |
| South Munster Citizens Information Service CRO 621212 | — | 16 Feb 2018 |
| Das Fire (Ireland) Ltd CRO 608069 · Ballincollig | Ballincollig | 17 Jul 2017 |
| Energy Champion CLG CRO 599331 | — | 27 Feb 2017 |
| DB Fire Solutions Ltd CRO 525763 | — | 3 Apr 2013 |
| Emccormack Alarms Ltd CRO 522487 · Kilworth | Kilworth | 15 Jan 2013 |
| CK Fire Engineering Ltd CRO 505394 | — | 27 Oct 2011 |
| Milford Pre School CLG CRO 474330 · Charleville | Charleville | 20 Aug 2009 |
| Fire Direct Ltd CRO 327457 | — | 8 May 2000 |
| Mallow Sports Club Group CLG CRO 327052 · Mallow | Mallow | 14 Apr 2000 |
| The Bridge Recovery Group CLG CRO 323081 | — | 14 Mar 2000 |
| Sherkin Island Hostel Ltd CRO 322434 · Millstreet | Millstreet | 7 Mar 2000 |