| JGB Lyktan AB CVR 5561451369 | BoardBoard of Directors | Since 2026 | — | Active |
| Svenska Kakel Halmstad Aktiebolag CVR 5562209204 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Svenska Kakel AB CVR 5564781408 | BoardBoard of Directors | Since 2020 | — | Active |
| Bicottura AB CVR 5565197364 | BoardBoard of Directors | Since 2020 | — | Dissolved |
| Svenska Kakel Göteborg Aktiebolag CVR 5565229928 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Monocottura AB CVR 5565395455 | BoardBoard of Directors | Since 2020 | — | Active |
| JGB Dolken AB CVR 5565409314 | BoardBoard of Directors | Since 2026 | — | Active |
| Fleninge Trädgårdsmaskiner AB CVR 5567223895 | BoardBoard of Directors | Since 2026 | — | Active |
| Svenska Kakel Stockholm AB CVR 5568059041 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| JGB Voxnan AB CVR 5568103963 | BoardBoard of Directors | Since 2026 | — | Active |
| JGB Fastigheter AB CVR 5568897358 | BoardBoard of Directors | Since 2026 | — | Active |
| JGB Fleninge AB CVR 5568897366 | BoardBoard of Directors | Since 2026 | — | Active |
| JGB Sundsholm AB CVR 5591056782 | BoardBoard of Directors | Since 2026 | — | Active |
