Hannu Antero Isotalo

DNA Plc operates as a mobile telecommunications company. It operates through two segments: Consumer and Corporate Business. The Consumer segment offers consumer's diverse telecommunication services such as communication, information, safety and entertainment, including mobile phones and mobile phone subscriptions, broadband, data security services, TV services from connections to channel packages as well fixed telephone connections. The Corporate Business segment offers companies and communities nationwide, standardized and easy-to-use communication and data network solutions, including SMS, telecommunication and voice services, comprehensive solutions as well as services to domestic and international tele operators. The company was founded on March 21, 1985 and is headquartered in Helsinki, Finland.

Kuopion Puhelin Plc provides mobile and wired telecommunication services. The firm's products and services provide connections for communications networks over copper, fiber, coaxial and wireless media and enable the use of high-speed Internet, data, video and voice services and businesses. The firm was founded in 1883 and is headquartered in Kuopio, 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.

Lujabetoni Oy engages in the manufacture of concrete products. It offers precast units for frames and facades, ready-mixed concretes, railway sleepers, piles, precast elements for agriculture, paving slabs and stones, and prefabricated concrete elements for residential construction. The company also provides structural design, installation, and project management services. Lujabetoni was founded on January 15, 1992 and is headquartered in Siilinjarvi, Finland.

Lujatalo Oy operates as a holding company with interest in ready-mix concrete industry. Its operating companies manufacture concrete slabs, columns, piles, pipes, paving stones, even sleepers, dry mortars, dry concrete, facade coatings and facade paints. The company is headquartered in Helsinki, Finland.