| Karlstads Rörmontage Aktiebolag CVR 5561236034 | BoardBoard of Directors | 2021 – 2022 | — | Active |
| Trisec Aktiebolag CVR 5563471910 | BoardBoard of Directors | 2021 – 2022 | — | Active |
| Sandbäckens Rör i Linköping AB CVR 5565830568 | BoardBoard of Directors | 2021 – 2022 | — | Active |
| Sandbäckens Rör i Norrköping AB CVR 5565830634 | BoardBoard of Directors | 2020 – 2022 | — | Active |
| ProjPartner Öst AB CVR 5566287594 | BoardBoard of Directors | 2021 – 2022 | — | Active |
| Sandbäckens Rör i Motala AB CVR 5566770441 | BoardBoard of Directors | 2021 – 2022 | — | Active |
| Rörproduktion Sverige AB CVR 5568100456 | BoardBoard of Directors | 2021 – 2022 | — | Dissolved |
| Rörproduktion i Linköping AB CVR 5568870819 | BoardBoard of Directors | 2021 – 2022 | — | Dissolved |
| Rörproduktion Mälardalen AB CVR 5569665945 | BoardBoard of Directors | 2021 – 2022 | — | Dissolved |
| Katrineholms Rörproduktion AB CVR 5569764029 | BoardBoard of Directors | 2020 – 2022 | — | Dissolved |
| Slutplattan FODIK 111463 AB CVR 5590060173 | BoardDeputy Board Member | 2020 – 2020 | — | Dissolved |
| Sandbäckens Rör i Nyköping AB CVR 5590073150 | BoardBoard of Directors | 2021 – 2022 | — | Active |
| Sandbäckens Rör i Västerås AB CVR 5590116884 | BoardBoard of Directors | 2020 – 2022 | — | Active |
| LS Örebro rörgrupp AB CVR 5590649421 | BoardBoard of Directors | 2021 – 2022 | — | Active |
| Sandbäckens Rör i Lund AB CVR 5591914840 | BoardBoard of Directors | 2020 – 2021 | — | Active |
| Trisec Energi AB CVR 5592745706 | BoardBoard of Directors | 2021 – 2022 | — | Active |