| Kiinteistö Oy Porin Pienteollisuustalo CVR 0554127-9 | BoardChairperson | Since 2020 | — | Active |
| Hydsupply Oy CVR 0606351-2 | BoardBoard of Directors | Since 2024 | — | Active |
| FAP Automation Oy CVR 1739625-9 | BoardChairperson | Since 2024 | — | Dissolved |
| Paineteho Oy CVR 1744386-0 | BoardChairperson | Since 2021 | — | Dissolved |
| Kvalitest Industrial Oy CVR 2262140-6 | ManagementChief Executive Officer | Since 2026 | — | Active |
| LSA Systems Oy CVR 2267267-6 | ManagementChief Executive Officer | Since 2026 | — | Active |
| ProTest engineering oy CVR 2311605-7 | ManagementChief Executive Officer | Since 2021 | — | Dissolved |
| Peimarin Hydrauliikka Oy CVR 2427274-8 | BoardChairperson | Since 2022 | — | Dissolved |
| PTE tekniikka Oy CVR 2552870-9 | ManagementChief Executive Officer | Since 2021 | — | Dissolved |
| Kvalitest Services Oy CVR 2687927-9 | ManagementChief Executive Officer | Since 2026 | — | Active |
| Aumaint Oy CVR 2823093-2 | BoardChairperson | Since 2025 | — | Active |
