| Jetflite Oy CVR 0110146-0 | OtherPerson with significant control | 2018 – 2020 | — | Active |
| W-Packaging Oy CVR 0116114-8 | ManagementChief Executive Officer | 2007 – 2020 | — | Active |
| Biaxis Oy Ltd CVR 0116115-6 | BoardBoard of Directors | 2018 – 2020 | — | Active |
| Asunto Oy Vähäniityntie 20 CVR 0123368-2 | BoardBoard of Directors | 2015 – 2019 | — | Active |
| Wille Machines Oy CVR 0134790-3 | OtherPerson with significant control | 2018 – 2020 | — | Active |
| Aarnio Osakeyhtiö CVR 0140557-9 | BoardChairperson | 2007 – 2019 | — | Active |
| Wihuri International Oy CVR 0237502-5 | ManagementChief Executive Officer | 2013 – 2020 | — | Active |
| MRB-Holding Oy CVR 0427104-3 | BoardBoard of Directors | 2016 – 2023 | — | Active |
| Keskinäinen Kiinteistö Oy Voisalmentie 9 Lappeenranta CVR 0724331-2 | OtherPerson with significant control | 2006 – 2019 | — | Dissolved |
| Tuko Logistics Osuuskunta CVR 0858675-5 | BoardBoard of Directors | 2018 – 2020 | — | Active |
| Marine Diesel Finland Oy CVR 0879756-0 | OtherPerson with significant control | 2014 – 2020 | — | Active |
| Eurospar Oy CVR 0971908-9 | BoardChairperson | 2008 – 2019 | — | Active |
| Keskinäinen Kiinteistö Oy Moreenitie 6 Oulu CVR 1007880-5 | BoardChairperson | 2006 – 2019 | — | Active |
| Keskinäinen Kiinteistö Oy Vantaan Siipitie 7 CVR 1106955-6 | BoardChairperson | 2006 – 2019 | — | Active |
| Kiinteistö Oy Oulun Voudintie CVR 1955771-4 | BoardChairperson | 2012 – 2020 | — | Active |
| Wipak Oy CVR 2079181-5 | BoardBoard of Directors | 2018 – 2020 | — | Active |
| Kiinteistöosakeyhtiö Kappeli CVR 2242061-2 | BoardBoard of Directors | 2009 – 2019 | — | Active |
| Wihuri Oy CVR 2557856-2 | ManagementChief Executive Officer | 2013 – 2020 | — | Active |
| Wihuri Packaging Oy CVR 2557861-8 | OtherPerson with significant control | 2018 – 2020 | — | Active |
| Jospak Oy CVR 2618297-3 | BoardBoard of Directors | 2021 – 2023 | — | Active |
| Wihuri International Services Oy CVR 3000240-2 | ManagementChief Executive Officer | 2019 – 2020 | — | Dissolved |
