| 10 companiesMany roles |
| William Matti Copeland | Board of Directors | 9 companiesMany roles |
| Ville Pertti Juhani Tolvanen | Board of Directors | 7 companiesMany roles |
| Riku Jarkko Kytömäki | Board of Directors | 7 companiesMany roles |
| Leena Maria Saarinen | Board of Directors | 7 companiesMany roles |
| Lasse Pekka Holopainen | Audit | 5 companies |
| Ralf Juhani Sohlström | Chief Executive Officer | 5 companies |
| Matti Teppo Hyytiäinen | Board of Directors | 5 companies |
| Päivi Katariina Marttila | Board of Directors | 3 companies |
| Leenakaisa Winberg | Audit | 2 companies |
| Ari Jukka Antero Järvelä | Board of Directors | 2 companies |
| Olli-Heikki Kyllönen | Board of Directors | 2 companies |
| Jukka Tapani Poutanen | Chief Executive Officer | 1 company |
| Marjo Tuulevi Matikainen-Kallström | Board of Directors | 1 company |
| Eeva Anneli Raita | Board of Directors | 1 company |
| Jukka Allan Koskinen | Board of Directors | 1 company |
Reka Oy
Reka Industrial Oyj