Riitta Katariina Tiuraniemi

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.

Finavia Oyj operates airports in Finland. It provides planning, construction, and maintenance of airports, runways, and other air traffic infrastructure. The company also rents out commercial and office space at airports to companies providing services to carriers and passengers. Finavia was founded on December 16, 2009 and is headquartered in Vantaa, Finland.

DNA Finland Oy provides mobile telecommunications services. It offers voice, data, and communication services. The company is headquartered in Helsinki, Finland.

Omnitele Oy Ab is a Finnish company that designs mobile networks. The private company is based in Helsinki, Finland. With over 30 years of experience, they specialize in extracting the maximum value from mobile network assets and investments. The company was founded in 1988. Harri Petri Rauhala has been the CEO of the company since 2019.

Terveysoperaattori Oy provides health care solutions for elder people. The company was founded by Riitta Katariina Tiuraniemi, Leena Stina Maria Jaakonmäki and Terhi Kristiina Pellinen and is headquartered in Helsinki, Finland.

Part of MPY Osuuskunta, MPY Telecom Oyj is a Finnish company that offers products and services at campaign prices to members of the cooperative. The private company is based in Mikkeli, Finland. The company's main goal is to improve cybersecurity awareness throughout the organization. The CEO of the company is Paula Laine.

Celltrum Oyj develops data collection and deployment tools. The company is based in Espoo, Finland. Celltrum was founded in 2017 by Tomi Paatsila and Jukka Manner. Tomi Paatsila has been the CEO since 2017.