| # | Facility | Type | Country | t CO₂e/yr |
|---|---|---|---|---|
| 1 | SSAB Raahe steel plant | Steel Plant | Finland | 3,845,396 |
| 2 | Neste Porvoo Refinery | Refinery | Finland | 2,293,551 |
| 3 | Aanekoski Bioproduct Pulp Mill | Pulp & Paper Mill | Finland | 569,474 |
| 4 | Metsä Fibre Oy - Äänekoski Mill | Pulp & Paper Mill | Finland | 569,474 |
| 5 | Borealis OY, Porvoo | Petrochemical | Finland | 521,997 |
| 6 | Paraisten Cement Plant | Cement Plant | Finland | 507,515 |
| 7 | UPM Group - Paper Industry - Pietarsaari Mill | Pulp & Paper Mill | Finland | 350,446 |
| 8 | Pietarsaari Pulp Mill | Pulp & Paper Mill | Finland | 350,446 |
| 9 | Metsä Fibre Oy - Joutseno Mill | Pulp & Paper Mill | Finland | 302,260 |
| 10 | Rauma Pulp Mill | Pulp & Paper Mill | Finland | 284,737 |
| 11 | Metsä Fibre Oy - Rauma Mill | Pulp & Paper Mill | Finland | 284,737 |
| 12 | Enocell Pulp Mill | Pulp & Paper Mill | Finland | 275,976 |
| 13 | Kaskinen Pulp Mill | Pulp & Paper Mill | Finland | 170,842 |
| 14 | Nordkalk Oyj Abp, Raahen Kalkinpolttamo | Lime Plant | Finland | 170,587 |
| 15 | Nordkalk Oy Ab, Tytyrin Kalkkitehdas | Lime Plant | Finland | 167,577 |
| 16 | Sma Mineral Oy, Röyttän Kalkkitehdas | Lime Plant | Finland | 157,543 |
| 17 | Stora Enso Packaging Papers Varkaus | Pulp & Paper Mill | Finland | 148,939 |
| 18 | Stora Enso Oyj - Varkaus Mill | Pulp & Paper Mill | Finland | 146,749 |
| 19 | Outokumpu Tornio steel plant | Steel Plant | Finland | 130,773 |
| 20 | Nordkalk Oy Ab, Louhi | Lime Plant | Finland | 120,415 |
| 21 | Nordkalk Oy Ab, Paraisten Kalkkitehdas Ja Satama | Lime Plant | Finland | 119,746 |
| 22 | Stora Enso Biomaterials - Enocell Pulp Mill | Pulp & Paper Mill | Finland | 119,152 |
| 23 | Lappeenranta Cement Plant | Cement Plant | Finland | 106,600 |
| 24 | Nordkalk Oy Ab, Ihalaisen Kaivos | Lime Plant | Finland | 102,352 |
| 25 | Stora Enso Oyj - Sunila Pulp Mill | Pulp & Paper Mill | Finland | 95,935 |
| 26 | Valio Oy, Elintarviketeollisuus, Lapinlahden Tehdas | Food & Beverage | Finland | 71,139 |
| 27 | Atria Suomi Oy, Nurmon Tuotantolaitos | Food & Beverage | Finland | 71,139 |
| 28 | Ovako Imatra steel plant | Steel Plant | Finland | 49,870 |
Method: ranked from open data — capacity and CO₂e from Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0). Sorted server-side; company-level data only.
