| Company | Website |
| Gas Networks Ireland (formerly known as Bord Gáis Networks) | www.gasnetworks.ie |
| Carbon Monoxide | www.carbonmonoxide.ie |
| Commission for Electricity Regulation | www.cer.ie |
| Sustainable Energy Ireland | www.seai.ie |
| Institution of Engineers of Ireland | www.iei.ie |
| National Standards Authority of Ireland (N.S.A.I.) | www.nsai.ie |
| National Consumer Agency | www.nca.ie |
