Sven Thomas Heistermann

Tieto- ja viestintäteollisuuden tutkimus TIVIT Oy is a research company based in Espoo, Finland. The Finnish company provides research services in the information and communication technology industry.

Werner Söderström Oy provides publishing and printing services. It publishes Finnish and translated literature, children's and young adult fiction, non-fiction, and comic books. The company was founded in 1878 and is headquartered in Helsinki, Finland.

Sanoma Media Finland Oy operates as a multi-channel media company. It publishes newspapers, tabloids, periodicals, magazines and offers entertainment contents through television, radio, online, and mobile media. The firm also provides real estate and job advertising portal, online marketplace, and product and price comparison services. The company was founded on December 22, 1998 and is headquartered in Helsinki, Finland.

Helsingin Sanomat Oy is the biggest daily subscription-based newspaper in Scandinavia. It is also Finland's leading national paper, which is read by more than three-fourths of the residents of the Helsinki metropolitan area and by a quarter of all Finns. The paper is independent and non-aligned. In addition to daily news, Helsingin Sanomat offers readers a monthly supplement Kuukausiliite, a weekly supplement NYT, and an on-line edition accessible via the Internet. The editorial departments of the printed and electronic supplements work independently, while remaining part of Helsingin Sanomat. Both supplements are delivered as inserts to the newspaper, the NYT supplement on Fridays and Kuukausiliite on the first Saturday of each month. The magazine-format monthly supplement, Kuukausiliite, is a pioneer in photojournalism and a lively platform for discussion among the Finnish reading public. The NYT supplement is a weekly guide to entertainment and is the leading source of information on leisure-time activities in the Helsinki metropolitan area. Helsingin Sanomat's Online Edition is available via the Internet. It provides on-line information complementary to that in the daily paper and the weekly and monthly supplements. Helsingin Sanomat's main editorial office is on Töölönlahdenkatu in downtown Helsinki. The newspaper also has a nationwide network of regional offices and its own correspondents in Berlin, Brussels, London, Moscow, Stockholm, Washington and Beijing, with contributing writers around the world. On weekdays the newspaper is 40 to 80 pages, and on Sundays it often runs to over a hundred pages. Helsingin Sanomat is the country's leading advertising paper, with over half a million ads printed yearly. The paper is printed by the business unit Helsingin Sanomat Printing Plant. The company was founded in 1999 and is headquartered in Sanoma, Finland.

Rautakirja Oyj operates book shops and kiosks. The company operates in four divisions including the press distribution, kiosk, bookstore, and movie theatre. Its press distribution division specializes in the marketing, distribution, and wholesale and retail trading of newspapers and magazines. Kiosk division operates a chain of convenience store outlets. Its bookstore division engages in the direct sale of books and office supplies. The company was founded in 1910 and is headquartered in Vantaa, Finland.