Pertti Ilkka Tapani Ruosaari

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.

Nanso Group Oy manufactures infant and women's apparels under the Finnwear, Its bands include Nanso and Black Horse brands. Its product includes socks, hosiery, knitwear and underwear. The company was founded in 1920 and is headquartered in Nokia, Finland.

Enfo Oyj provides information technology services. It offers digital solutions for the development, innovation, and improvement of business operations. It operates through the following geographical segments: Finland, Sweden, and Other Countries. The company was founded in 1964 and is headquartered in Kuopio, Finland.

Savonlinja OY provides public bus services. It offers urban, commuter and school transport, rural, express, charter, and tourist transportation services, as well as municipal service buses. The company was founded by Toivo J. Honkanen in 1924 and is headquartered in Mikkeli, Finland.

Part of Valio Oy, Valio OOO is a Russian company that produces dairy products. The company is based in Moscow, Russian Federation. The CEO of the company is Konstantin Vladimirovich Moskvitin.

Finanssi-Kontio Oy provides outsourced information and communications technology services. The company was founded on June 23, 2010 and is headquartered in Helsinki, Finland.

HPP Attorneys Ltd. is a Finnish company that specializes in business and financial management, insurance, technology and intellectual property law, insolvency proceedings, competition law, logistics, and real estate. The private company is the leading legal expert in transportation, covering land, sea, and air transport, as well as intelligent transport. The company offers internship programs for law students and has assisted clients in significant infrastructure projects related to ports, transportation routes, airports, mining, and construction. The company also advises investors, funds, financial institutions, and insurance companies on property warranty and liability insurance coverage.

Part of Sigmaroc Plc, Lumme Energia Oy is a Finnish company that provides electric services. The company is based in Mikkeli, Finland.

1Home Group AS provides student rental accommodation and housing services. The company was founded by Vesa-Pekka Juhani Silaskivi and Arvo Antropov in 2015 and is headquartered in Tallinn, Estonia.

Foamit Group Oy provides glass cleaning and foam glass manufacturing services. The company was founded on November 1, 2018 and is headquartered in Oulu, Finland.