Marjo Tuuli Irene Miettinen

Soldium Oy operates as an investment holding company. It consolidates domestic ownership in companies of national importance and to increase the value of its holdings in the long run. The company is headquartered in Helsinki, Finland.

Enedo Oyj engages in the design and manufacture of power supplies and systems for telecommunication, medical, lighting, industrial, utility and military applications. It offers alternating and direct current power systems, medical grade power supplies, product selector tool, open frame, enclosed, sealed and rock mount power supplies. The company was founded in March 1973 and is headquartered in Espoo, Finland.

Ensto Oy designs and provides electrical solutions. Its products include overhead lines, underground networks, network automation, power electronics, installation tools, enclosures, industrial components, lighting equipment, and heating systems. The company offers commercial, industrial, and residential electrification, electricity distribution, electric traffic, and lighting solutions. Ensto was founded by Ensio Miettinen on June 19, 1958 and is headquartered in Porvoo, Finland.

Audel Oy manufactures exercise cycles and fitness equipment. The company is based in Oulunsalo, Finland.

EM Group Oy develops industrial enterprises and real estate properties in Finland and internationally. It develops, manufactures, and markets electrical systems, accessories, and supplies for the distribution of electrical power, as well as electrical applications. The company was founded in 1958 and is headquartered in Helsinki, Finland.

Tekniikan Akatemia -säätiö sr, also known as Technology Academy Finland (TAF), is based in Helsinki, Finland. The CEOs of the Finnish company are Mikko Salaspuro and Ainomaija Susanna Haarla. TAF awards the €1 million Millennium Technology Prize and organizes associated events and initiatives. The private company provides an international meeting ground for corporate life, academia, and policymakers, and promotes Finland's position in the community. The Millennium Technology Prize is the world's most prestigious award for breakthrough innovations that improve the quality of people's lives.