| Trans Vilander Oy CVR 0426870-9 | ManagementChief Executive Officer | Siden 2019 | — | Opløst |
| M. Korkiakoski Oy CVR 0472321-4 | BoardChairperson | Siden 2021 | — | Opløst |
| Kiitosimeon Oy CVR 0538134-0 | ManagementChief Executive Officer | Siden 2019 | — | Aktiv |
| Myway Oy CVR 0570911-5 | ManagementChief Executive Officer | Siden 2019 | — | Aktiv |
| Simbulk Oy CVR 0852554-9 | ManagementChief Executive Officer | Siden 2020 | — | Aktiv |
| Laatusäiliöt Oy CVR 0870019-1 | BoardChairperson | Siden 2022 | — | Aktiv |
| Truck-Oil Oy CVR 0883518-4 | BoardChairperson | Siden 2020 | — | Opløst |
| Simeon Services Oy CVR 1110037-3 | ManagementChief Executive Officer | Siden 2019 | — | Aktiv |
| Simeon Tank Oy CVR 1611295-5 | ManagementChief Executive Officer | Siden 2019 | — | Aktiv |
| Big Wheels Oy CVR 1636351-9 | ManagementChief Executive Officer | Siden 2019 | — | Aktiv |
| EcoSim Oy CVR 2458729-9 | ManagementChief Executive Officer | Siden 2019 | — | Aktiv |
| Simkem Oy CVR 2589200-9 | ManagementChief Executive Officer | Siden 2019 | — | Aktiv |
| Simlog Oy CVR 2589201-7 | ManagementChief Executive Officer | Siden 2019 | — | Aktiv |
| Simeoff Oy CVR 3377788-7 | BoardChairperson | Siden 2023 | — | Opløst |
| Simeon Cargo Oy CVR 3384075-1 | ManagementChief Executive Officer | Siden 2023 | — | Aktiv |
| Simtruck Oy CVR 3384116-4 | ManagementChief Executive Officer | Siden 2023 | — | Aktiv |
| Simlink Oy CVR 3384123-6 | BoardBoard of Directors | Siden 2023 | — | Aktiv |
