Risto Erkki Tapani Kauppila

Ekovilla Oy manufactures and sells insulation materials and organic fibers. Its products include slab and blow-in loose fill insulation for ceilings, floors and walls, airtightness products, and asphalt fiber. The company serves house factories, construction companies, hardware stores, and consumers. Ekovilla was founded by Reijo Kalervo Louko and Risto Erkki Tapani Kauppila in 1979 and is headquartered in Kuusankoski, Finland.

Woodprime Oy manufactures wood construction elements. It engages in production lines for wood elements and in machinery for working beams and pillars. The firm produces ready to-use-wood elements for ceilings, intermediate floors, walls and floors which are ready for installation. It focuses on providing wood components to large-scale projects such as apartment buildings, shopping centers, sports halls, schools, libraries and daycare centers. The company was founded in 2012 and is headquartered in Voikkaa, Finland.