| # | Facility | Type | Country | t CO₂e/yr |
|---|---|---|---|---|
| 1 | Aughinish Alumina Refinery | Aluminium Smelter | Ireland | 2,325,266 |
| 2 | Drogeheda Cement Plant | Cement Plant | Ireland | 984,891 |
| 3 | Balleyconnell Cement Plant | Cement Plant | Ireland | 649,735 |
| 4 | Kinnegad Cement Plant | Cement Plant | Ireland | 293,265 |
| 5 | Irving Oil Whitegate Refinery | Refinery | Ireland | 289,439 |
| 6 | Limerick Cement Plant | Cement Plant | Ireland | 237,549 |
| 7 | Premier Periclase Limited | Lime Plant | Ireland | 173,206 |
| 8 | Adare-Rathkeale Municipal District | Aluminium Smelter | Ireland | 138,729 |
| 9 | Kepak Athleague | Food & Beverage | Ireland | 64,192 |
| 10 | Glanbia Ireland (Ballyragget) | Food & Beverage | Ireland | 64,192 |
| 11 | Kerry Ingredients (Ireland) Limited (Charleville) | Food & Beverage | Ireland | 64,192 |
| 12 | Dawn Meats Ireland Unlimited Company | Food & Beverage | Ireland | 64,192 |
| 13 | Wyeth Nutritionals Ireland Limited | Food & Beverage | Ireland | 64,192 |
| 14 | Abbott Ireland (Cootehill) | Food & Beverage | Ireland | 64,192 |
| 15 | Dairygold Co-Operative Society Limited (Castlefarm) | Food & Beverage | Ireland | 64,192 |
| 16 | Tipperary Co-Operative Creamery Limited | Food & Beverage | Ireland | 64,192 |
| 17 | Arrabawn Co-Operative Society Limited | Food & Beverage | Ireland | 64,192 |
| 18 | Bailieboro Foods Limited | Food & Beverage | Ireland | 64,192 |
| 19 | Donegal Meat Processors | Food & Beverage | Ireland | 64,192 |
| 20 | Lakeland Dairies Co-Operative Society Limited | Food & Beverage | Ireland | 64,192 |
| 21 | Nutricia Infant Nutrition Limited | Food & Beverage | Ireland | 64,192 |
| 22 | Kerry Ingredients (Ireland) Limited (Listowel) | Food & Beverage | Ireland | 64,192 |
| 23 | Diageo Ireland (St. James Gate) | Food & Beverage | Ireland | 64,192 |
| 24 | Abp Cahir | Food & Beverage | Ireland | 19,860 |
Method: ranked from open data — capacity & CO₂e from Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0). Sorted server-side; click any column to re-sort. Company-level data only.