Jussi Aimo Samuli Aine

Puustelli Group Oy manufactures kitchen fittings. Its products include doors, handles, knobs, and worktops. The company also provides kitchen furniture, fittings for bathrooms, and sliding doors. Puustelli Group was founded on December 13, 1999 and is headquartered in Harjavalta, Finland.

Harjavalta Oy operates as a holding company. The company was established in 1922 and is headquartered in Harjavalta, Finland.

Part of Harjavalta Oy, Lapti Group Oy is a Finnish company that constructs residential and non-residential buildings. The company is based in Oulu, Finland. The company was founded by Timo Jaakko Pekkarinen. Timo Jaakko Pekkarinen has been the CEO since incorporation.

Kastelli Group Oy engages in the construction of residential and non-residential buildings. The company was founded on December 31, 2017 and is headquartered in Oulu, Finland.

Nordec Oy designs, manufactures, and installs steel building frames as well as envelope and bridge structures. It offers heavy steel structures, bridges, and other types of steel and concrete frame structures. The company was founded on January 29, 2019 and is headquartered in Helsinki, Finland.