| # | Facility | t of steel | t CO₂e/yr |
|---|---|---|---|
| 1 | Ternium Siderar San Nicolás steel plant | 3,501,000 | 3,990,011 |
| 2 | ArcelorMittal Acindar Villa Constitución steel plant | 2,000,000 | 522,018 |
| 3 | TenarisSiderca Campana steel plant | 1,600,929 | 299,345 |
| 4 | Gerdau Sipar Pérez steel plant | 650,000 | 21,475 |
Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0).