| | Petroleum products, fuel, electricity and other sources of energy Petrol Forecourt Retailer Service Stations Convenience Stores | |
| FHFirebird Heating Solutions Baile Mhic Íre, ÉireMonarú | Petroleum products, fuel, electricity and other sources of energy Oil Boilers Solar Thermal Stoves | |
| NENines Engineering Tallaght, Dublin 24, ÉireMonarú | Petroleum products, fuel, electricity and other sources of energy Custom Vacuum Chambers Manufacturing Equipment Solar PV | |
| HTHydrocarburate Trade Services Dublin, ÉireMiotail agus Mianadóireacht | Petroleum products, fuel, electricity and other sources of energy Solid Fuels Petroleum Coke Coal | |
| PIProWeld Ireland Dublin, ÉireMiotail agus Mianadóireacht | Petroleum products, fuel, electricity and other sources of energy Welders Laser Welders Plasma Cutters | |
| DGDairy Geyser Ltd Kilkenny, ÉireTalmhaíocht agus Iascaireacht | Petroleum products, fuel, electricity and other sources of energy Dairy Water Heater Hot Water Sterilisation Milking Equipment Cleaning | |
| | Petroleum products, fuel, electricity and other sources of energy Agricultural, farming, fishing, forestry and related products Hardware Home Supplies Garden Centre | |
| | Petroleum products, fuel, electricity and other sources of energy Heating Plumbing Insulation | |
| H2House 2 Home Retrofit Ltd. | Petroleum products, fuel, electricity and other sources of energy Home Energy Upgrades Deep Retrofit Home Insulation | |
| | Petroleum products, fuel, electricity and other sources of energy Cavity Wall Insulation External Wall Insulation Attic Insulation | |