| Facility | Type | Country | t CO₂e/yr |
|---|---|---|---|
| Mitsubishi Materials Kanda Cement Plant | Cement Plant | Japan | 3,022,664 |
| Ube Industries Isa Cement Plant | Cement Plant | Japan | 1,793,454 |
| Ube Industries Ube Cement Plant | Cement Plant | Japan | 956,906 |
| Ube Industries Kanda Cement Plant | Cement Plant | Japan | 592,454 |
| Mitsubishi Materials Yokoze Cement Plant | Cement Plant | Japan | 467,110 |
| Mitsubishi Materials Iwate Cement Plant | Cement Plant | Japan | 177,401 |
Ownership, capacity & CO₂: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0).