Rami Juhani Tähtinen

ElFys Oy develops solar cell technology with light detection. It offers customized photodetector solutions, packaging solutions, black silicon and induced technology, and processing services. The company was founded by Hele Savin, Timo Kaarlo Vainamo Rosenlof, Mikko Antero Juntunen, Juha Otto Heinonen and Antti Oskari Haarahiltunen in 2017 and is headquartered in Espoo, Finland.

Taaleri Pääomarahastot Oy (Taaleri Pääomarahastot) is a private equity subsidiary of Taaleri Varainhoito Oy founded in 2009. The firm is headquartered in Helsinki, Finland.

Chempolis Oy provides sustainable solutions for the biomass, paper, biofuel, alcohol, sugar and chemical industries. Its core products are the two patented third generation technologies for biorefining of residual biomasses: formicobio for the co-production of non-food cellulosic bioethanol, biochemicals and biocoal, and formicofib for the co-production of non-wood papermaking fibers (i.e. pulp), biochemicals and biocoal. The company was founded by Pasi Rousu in 1995 and is headquartered in Oulu, Finland.

Helix Partners Oy (Helix Partners) is a private equity firm founded in 2020 by Pontus Oinonen and Rafael Osmanov. The firm is headquartered in Helsinki, Finaland.

Suomen Hyötytuuli Oy engages in the production of wind power. It operates six wind farms in Finland. The company was founded on July 13, 1998 and headquartered in Pori, Finland.

Vantaan Energia Oy is a Finnish company that produces and sells district heating. The company is based in Vantaa, Finland and was founded in 1910. The company's focus is on sustainability and providing energy to people throughout Finland. The company offers district heating services and have information available on their website regarding pricing and terms. The company is ultimately controlled by the City of Vantaa. Jukka Ilmari Toivonen has been the CEO of the company since 2018.