| Tank Service Finland Oy CVR 1049516-6 | OtherConfidential Clerk | 2019 – 2020 | — | Active |
| Laania Oy CVR 1477919-0 | OtherConfidential Clerk | 2018 – 2022 | — | Active |
| Spectra Yhtiöt Oy CVR 1539578-9 | OtherConfidential Clerk | 2021 – 2022 | — | Active |
| Kiinteistö Oy Vantaan Tammiston Kauppatie 33 CVR 1650195-0 | OtherConfidential Clerk | 2018 – 2020 | — | Active |
| Luotea Oyj CVR 1680140-0 | OtherConfidential Clerk | 2018 – 2023 | — | Active |
| Sihvari Oy CVR 1772768-7 | OtherConfidential Clerk | 2021 – 2022 | — | Active |
| L&T Toimi Oy CVR 1843410-6 | OtherConfidential Clerk | 2018 – 2022 | — | Dissolved |
| Serveco Oy CVR 2157797-6 | OtherConfidential Clerk | 2021 – 2021 | — | Active |
| Oakland Service Oy CVR 2726320-6 | OtherConfidential Clerk | 2020 – 2021 | — | Active |
| Recover Nordic Korjausrakentaminen Oy CVR 2768036-8 | OtherConfidential Clerk | 2018 – 2019 | — | Dissolved |
| L&T Työllistämispalvelut Oy CVR 2831469-3 | OtherConfidential Clerk | 2018 – 2022 | — | Dissolved |
| Luotea Kiinteistötekniikka Oy CVR 3155933-3 | OtherConfidential Clerk | 2020 – 2022 | — | Active |
| Luotea Kiinteistöhuolto Oy CVR 3155934-1 | OtherConfidential Clerk | 2020 – 2022 | — | Active |
| L&T Teollisuuspalvelut Oy CVR 3155936-8 | OtherConfidential Clerk | 2020 – 2022 | — | Active |
| L&T Kiinteistöpalvelut tukitoiminnot Oy CVR 3155937-6 | OtherConfidential Clerk | 2020 – 2021 | — | Active |
| L&T Ympäristöpalvelut Oy CVR 3155938-4 | OtherConfidential Clerk | 2020 – 2022 | — | Active |
| Luotea Siivous Oy CVR 3155982-7 | OtherConfidential Clerk | 2020 – 2022 | — | Active |
