Eero Olavi Makkonen

Skanska Oy provides construction services. It offers building, civil, and environmental construction, building services, residential and commercial project development, and public-private partnerships. The company was founded on November 13, 1970 and is headquartered in Helsinki, Finland.

Kenno Tech Oy engages in the provision of laser welding services. The firm's products include heat exchanger elements, insulated stainless steel doors, vehicle elevator floor elements, and hatches and hoods for process industries. Its services include production, pilot series, technology, consultation, design, and structural calculations. The company was founded by Antti Pellervo Vimpari, Veli-Pekka Immonen, Eero Olavi Makkonen, and Antti Olavi Kuivalainen in 2002 and is headquartered in Riihimäki, Finland.

Puukeskus Oy use to supplies timber and building materials to the trade and general public. It offered services for instance delivery, assembly, timber sawing, invoicing and financing services. The firm provided rent trailers, lifts and machinery needed when working with mineral-wool loose materials, as well. It also handled the logistics in heavy building materials. The company use to offer a wide selection of services for both trade and do-it-yourself customers. Puukeskus was founded in 1929 and was headquartered in Helsinki, Finland.

Elematic Oyj manufactures and distributes precast concrete plants and production lines. Its products include floor production technologies, wall and façade production technologies, batching and mixing plants and concrete distribution systems, Acotec production lines, foundation, and frame production lines. The firm's precast concrete technology is used for residential and non-residential buildings. The company was founded in 1959 and is headquartered in Akaa, Finland.

Consolis Group SAS manufactures and designs precast concrete structures for the transportation, utilities and building sectors. The company was founded in 2005 and is headquartered in Courbevoie, France.

Vicus Oy provides real estate development and investment services. It specializes in advisory and investment management services with special focus on real estate. The company was founded by Juha Mikkonen and Markus Jaakonsaari in 2005 and is headquartered in Helsinki, Finland.