| # | Facility | Type | Country | t CO₂e/yr |
|---|---|---|---|---|
| 1 | ArcelorMittal Dąbrowa Górnicza steel plant | Steel Plant | Poland | 7,515,326 |
| 2 | Orlen Mazovian Petrochemical Plock Refinery | Refinery | Poland | 3,270,622 |
| 3 | Lotos Gdansk Refinery | Refinery | Poland | 2,689,027 |
| 4 | Anwil | Chemical Plant | Poland | 1,328,827 |
| 5 | Trebaczew Cement Plant | Cement Plant | Poland | 1,195,359 |
| 6 | Zakłady Azotowe Puławy | Chemical Plant | Poland | 1,127,990 |
| 7 | PKN Orlen SA, Plock | Petrochemical | Poland | 877,715 |
| 8 | Chelm Cement Plant | Cement Plant | Poland | 840,779 |
| 9 | nowiny Cement Plant | Cement Plant | Poland | 556,744 |
| 10 | Malogogszcz Cement Plant | Cement Plant | Poland | 546,847 |
| 11 | Chorula Cement Plant | Cement Plant | Poland | 397,682 |
| 12 | Karsy Cement Plant | Cement Plant | Poland | 397,352 |
| 13 | Grupa Azoty Kędzierzyn (ZAK) | Chemical Plant | Poland | 368,660 |
| 14 | Grupa Azoty S.A (Tarnów) | Chemical Plant | Poland | 342,524 |
| 15 | Poland | Chemical Plant | Poland | 242,367 |
| 16 | Opole Cement Plant | Cement Plant | Poland | 234,271 |
| 17 | Rudniki Cement Plant | Cement Plant | Poland | 232,119 |
| 18 | CIECH Soda Ash Plant | Chemical Plant | Poland | 190,662 |
| 19 | CMC Zawiercie steel plant | Steel Plant | Poland | 165,261 |
| 20 | Piechcen Cement Plant | Cement Plant | Poland | 163,590 |
| 21 | Cukrownia Glinojeck | Food & Beverage | Poland | 146,449 |
| 22 | Wloclawek Chemicals | Chemical Plant | Poland | 76,971 |
| 23 | Cukrownia Środa | Food & Beverage | Poland | 65,944 |
| 24 | ArcelorMittal Warszawa steel plant | Steel Plant | Poland | 63,619 |
| 25 | Celsa Huta Ostrowiec steel plant | Steel Plant | Poland | 48,471 |
| 26 | Huta Czestochowa steel plant | Steel Plant | Poland | 45,240 |
| 27 | Eggs Product Grupa Producentów Rolnych Sp. Z O.O. | Food & Beverage | Poland | 39,518 |
| 28 | Ferrostal Labedy Gliwice steel plant | Steel Plant | Poland | 26,929 |
| 29 | Trzebinia Cement Plant | Cement Plant | Poland | 24,147 |
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.
