| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| Elcoline Industrial Service Oy CVR 1807816-4 | OtherConfidential Clerk | Since 2018 | — | Dissolved |
| Elcoline Group Oy CVR 2212658-7 | OtherConfidential Clerk | Since 2018 | — | Active |
| SSG Sahala Oy CVR 2219093-3 | OtherConfidential Clerk | Since 2024 | — | Active |
| Elcoline Oy CVR 2220592-0 | OtherConfidential Clerk | Since 2022 | — | Active |
| Elcoline Power Oy CVR 2234802-4 | OtherConfidential Clerk | Since 2019 | — | Dissolved |
| Elcoline Construction Oy CVR 2481283-9 | OtherConfidential Clerk | Since 2022 | — | Dissolved |
| Elcoline Piping Oy CVR 2893701-4 | OtherConfidential Clerk | Since 2022 | — | Dissolved |
| TGS Finland Oy CVR 3202537-6 | OtherConfidential Clerk | Since 2025 | — | Active |
| Person | Role | Shared companies | Profile |
|---|---|---|---|
| Chief Executive Officer | 3companies | View profile | |
| Chief Executive Officer | 3companies | View profile | |
| Board of Directors | 3companies | View profile | |
| Chairperson | 3companies | View profile | |
| Audit | 2companies | View profile |