| Sallila Energia Oy CVR 0132029-2 | ManagementChief Executive Officer | Siden 2018 | — | Aktiv |
| Nakkilan Sähkö-Mylly Oy CVR 0135639-1 | BoardBoard of Directors | Siden 2019 | — | Aktiv |
| Lallin Voima OY CVR 0831826-7 | BoardBoard of Directors | Siden 2019 | — | Aktiv |
| Satapirkan Sähkö Oy CVR 0870983-1 | ManagementChief Executive Officer | Siden 2021 | — | Aktiv |
| Jannicap Oy CVR 0916361-5 | BoardBoard of Directors | Siden 2021 | — | Aktiv |
| Novapolar Oy CVR 0920046-3 | BoardBoard of Directors | Siden 2021 | — | Aktiv |
| Vertek Oy CVR 1032401-7 | BoardBoard of Directors | Siden 2020 | — | Aktiv |
| Wattivakka Oy CVR 1895126-9 | BoardChairperson | Siden 2023 | — | Aktiv |
| SPS Energiapalvelut Oy CVR 1975492-9 | BoardBoard of Directors | Siden 2019 | — | Aktiv |
| Sallila Sähkönsiirto Oy CVR 2066466-4 | ManagementChief Executive Officer | Siden 2018 | — | Aktiv |
| Forssan Verkkopalvelut Oy CVR 2206360-0 | BoardBoard of Directors | Siden 2024 | — | Aktiv |
| Omavoima Oy CVR 2209312-1 | BoardBoard of Directors | Siden 2026 | — | Aktiv |
| Vertek Sähköpalvelu Oy CVR 2237737-8 | BoardBoard of Directors | Siden 2020 | — | Aktiv |
| Forssan Energia Oy CVR 2377767-2 | ManagementChief Executive Officer | Siden 2018 | — | Opløst |
| SV Vesivoima Oy CVR 2380402-8 | OtherDeputy Member | Siden 2025 | — | Aktiv |
| Triforce Oy CVR 2936775-4 | BoardBoard of Directors | Siden 2018 | — | Aktiv |
| Sallila Energiapalvelut Oy CVR 3119150-8 | ManagementDeputy Chief Executive Officer | Siden 2022 | — | Aktiv |
| SalVakka Oy CVR 3498697-1 | BoardBoard of Directors | Siden 2025 | — | Aktiv |
