Vesa Lipsanen

Lemminkäinen Oyj engages in the provision of construction and engineering services. It operates through the following segments: Paving; Infra Projects; Building Construction, Finland; and Russian Operations. The Paving segment offers earthworks, civil, and rock engineering. The Infra Projects segment pertains to the firm's infrastructure and construction activities. The Building Construction, Finland segment develops and markets residential and commercial properties. The Russia Operations segment builds and sells housing projects. The company was founded in 1910 and is headquartered in Helsinki, Finland.

Part of YIT Oyj, Oka Oy is a Finnish company that provides building contractor services. The company is based in Kouvola, Finland.

Part of YIT Oyj, Rakennusliike Sulo Lipsanen Oy is a Finnish company that provides construction and engineering services. The company is based in Imatra, Finland. Rakennusliike Sulo Lipsanen was acquired by Oka Oy on June 01, 2007.