Arvo Mikael Johannes Ketonen

TS-Yhtymä Oy provides newspaper publishing and printing services. It offers also digital and multichannel marketing communication solutions, as well as television and radio broadcasting, newspaper delivery, and photo services. The company was founded in 1905 and is headquartered in Turku, Finland.

Hansaprint Oy engages in providing printing and graphic media services. It offers magazines & products catalogues, point of sale marketing, direct marketing, print on demand books & product manuals, logistics and storage services. The company was founded in 1995 and is headquartered in Turku, Finland.

Plantui Oy develops equipment and technology for indoor gardening of plants and herbs. It specializes in hydroponic indoor garden, edible and ornamental flowers, herbs, and salads. The company was founded by Janne Loiske in 2007 and is headquartered in Turku, Finland.

A'Pelago Experience Ab is a company that offers the opportunity to combine work and life in the beautiful Finnish archipelago. The company is based in Pargas, Finland and was founded by Arvo Timo Juhani Ketonen and Patrik Anckar. The company's focus is on working in, with, and for the archipelago, providing a unique experience for their clients.