Seppo Valtonen

Destia Oy engages in the provision of infrastructure and construction services. It offers road construction, foundation and field engineering, engineer construction, rock construction, energy infrastructure, railways, maintenance, aggregates, design, and road network surveys. The company was founded on February 14, 2007 and is headquartered in Vantaa, Finland.

Nordec Envelope Oy constructs and delivers steel frames, steel bridges, and facade systems. The firm offers glass and aluminum products; glass and steel facade systems; glass canopies and glass roofing for the Finnish and Scandinavian markets; and light exterior wall element products based on the steel thermo element system. Its construction system services include detailed design, manufacturing, and erection work, as well as warranty liabilities of structures. The company was founded in 1979 and is headquartered in Vantaa, Finland.

Setera Oy is a holding company that provides communications solutions using a cloud-based virtual private branch exchange platform. It also offers Session Initiation Protocol voice services. The firm develops business communications solutions and services for businesses. Setera was founded in 2005 and is headquartered in Espoo, Finland.

Kreate Oy provides infrastructure construction services. It offers bridge, transport infrastructure, industrial, environmental, and foundation construction solutions. The company was founded on June 6, 1975 and is headquartered in Tuusula, Finland.

Fimpec Engineering Oy is a holding company that provides engineering, project management, and consulting services in the process industry. Its services include pre-feasibility and feasibility studies, basic and detailed engineering, environmental and water technology services, project management and maintenance. It serves the pulp and paper industry, energy, metal and mining, as well as chemical and petrochemical industry. The company was founded by Eero Nevalainen, Heikki Hakala, and Ahti Nousiainen on June 20, 1973 and is headquartered in Kouvola, Finland.

Part of YIT Oyj, Lemminkäinen Norge AS is a company based in Fjellhamar, Norway. The Norwegian company engages in the production of crushed stone and gravel.

NordPile Oy operates as a holding company that specializes in the small space piling and foundation reinforcements. It engages in construction activities. the firm's services include driven piles, driving stakes into the tightest spaces, underpinning, anchorages, steel foundations, and other foundation engineering. Its clients include construction companies, private builders, housing associations, industry, and the public sector. The company was founded on October 23, 2008 and is headquartered in Raisio, Finland.

Hartela-Yhtiöt Oy provides civil engineering, construction, and property development services.

Tilakarhut Oy is a Finnish company that leases intellectual property. The private company is based in Helsinki, Finland. The company was founded in 2007.

Minerva Kehitys ja Palvelu Oy provides business management consulting services. The private company is based in Helsinki, Finland.

Ctv Properties AB is an investment holding Swedish company. The private company is based in Stockholm, Sweden. The CEO of the company is Liro Nurkkala.

Part of Setera Oy, Setera Communications Oy is a Finnish company that provides wireless telecommunications services. The company is based in Espoo, Finland.

Fimpec Group Oy provides industrial design solutions. It offers engineering, construction, project management, and consultancy services. The company was founded on September 11, 2017 and is headquartered in Kouvola, Finland.

RIL ry provides trade union services.

Sitowise Oy provides built environment services. Its offer includes building and infrastructure design, project planning, research, inspection, strategic consulting, sustainability, digital, and environment and energy related services. The company was founded in 2017 and is headquartered in Espoo, 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.

Taratest Oy is a Finnish family-owned company that provides infrastructure, construction, and industrial services with a team of 90 professionals. The company is based in Pirkkala, Finland. The company specializes in demanding research drilling and measurement work in challenging environments such as urban areas, road traffic, and the sea. The company also offers traffic planning and implementation, as well as special work stages such as lifting and ferry work. The company's experienced experts report drilling, samples, and hole imaging reliably, and the results are presented in clear prints and infra-format. The company was founded in 1978 by Juha Mäkinen, and the CEO is Tero Mäkinen.