| Trisec Aktiebolag CVR 5563471910 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Sandbäckens Rör i Linköping AB CVR 5565830568 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Sandbäckens Rör i Norrköping AB CVR 5565830634 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Sandbäckens Rör i Växjö AB CVR 5565966818 | OtherExternal Signatory | 2021 – 2021 | — | Active |
| ProjPartner Öst AB CVR 5566287594 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Mälar Sprinkler AB CVR 5566318209 | OtherExternal Signatory | 2021 – 2021 | — | Active |
| Sandbäckens Rör i Stockholm AB CVR 5566359534 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Rörbolaget M. Söderkvist AB CVR 5566615034 | OtherExternal Signatory | 2021 – 2021 | — | Active |
| Sandbäckens Rör i Motala AB CVR 5566770441 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Rörproduktion Sverige AB CVR 5568100456 | BoardBoard of Directors | 2021 – 2021 | — | Dissolved |
| Sprincom AB CVR 5568154925 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Sandbäckens Rör i Jönköping AB CVR 5568422918 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Rörproduktion i Linköping AB CVR 5568870819 | OtherExternal Signatory | 2021 – 2021 | — | Dissolved |
| Sandbäckens Sprinkler Mitt AB CVR 5568934508 | OtherExternal Signatory | 2021 – 2021 | — | Active |
| Sandbäckens Rör i Göteborg AB CVR 5569093619 | OtherExternal Signatory | 2021 – 2021 | — | Active |
| Trifrost AB CVR 5569475303 | OtherExternal Signatory | 2021 – 2021 | — | Dissolved |
| Sandbäckens Rör i Uddevalla AB CVR 5569482648 | OtherExternal Signatory | 2021 – 2021 | — | Active |
| Rörproduktion Mälardalen AB CVR 5569665945 | OtherExternal Signatory | 2021 – 2022 | — | Dissolved |
| Katrineholms Rörproduktion AB CVR 5569764029 | OtherExternal Signatory | 2021 – 2021 | — | Dissolved |
| Sandbäckens Rör i Vetlanda AB CVR 5569853681 | OtherExternal Signatory | 2021 – 2021 | — | Active |
| Sandbäckens Rör i Nyköping AB CVR 5590073150 | OtherExternal Signatory | 2021 – 2021 | — | Active |
| Sandbäckens Rör i Västerås AB CVR 5590116884 | OtherExternal Signatory | 2021 – 2021 | — | Active |
| Sandbäckens Rör i Ronneby AB CVR 5590181300 | OtherExternal Signatory | 2021 – 2021 | — | Active |
| Sandbäckens Rör i Kalmar AB CVR 5590185681 | OtherExternal Signatory | 2021 – 2021 | — | Active |
| Sandbäckens Rör i Malmö AB CVR 5590197967 | OtherExternal Signatory | 2021 – 2021 | — | Active |
| Sandbäckens Rör i Visby AB CVR 5590252671 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Sandbäckens Industri Syd AB CVR 5590310644 | OtherExternal Signatory | 2021 – 2021 | — | Dissolved |
| Sandbäckens Sprinkler Väst AB CVR 5590311311 | OtherExternal Signatory | 2021 – 2021 | — | Active |
| Sandbäckens Rör i Bjäre/Halmstad AB CVR 5590349493 | OtherExternal Signatory | 2021 – 2021 | — | Active |
| LS Örebro rörgrupp AB CVR 5590649421 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Sandbäckens Medicinska Gaser AB CVR 5591914824 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Sandbäckens Brandskydd AB CVR 5591914832 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Sandbäckens Rör i Lund AB CVR 5591914840 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Sandbäckens Rör i Södertälje AB CVR 5592745698 | BoardBoard of Directors | 2020 – 2021 | — | Active |
| Trisec Energi AB CVR 5592745706 | BoardBoard of Directors | 2021 – 2021 | — | Active |
| Sandbäckens Rör i Varberg AB CVR 5593047953 | BoardBoard of Directors | 2021 – 2022 | — | Active |
| Sandbäckens Rör i Landskrona / Helsingborg AB CVR 5593047979 | BoardBoard of Directors | 2021 – 2022 | — | Active |
| Sandbäckens Rör i Sundsvall AB CVR 5593047987 | BoardBoard of Directors | 2021 – 2022 | — | Active |
