GRK is one of Finland's leading infrastructure companies. We also operate in Sweden and Estonia. GRK designs, builds, repairs, and maintains roads, routes, railways, and bridges to ensure daily life runs smoothly, people connect, and a more sustainable future is created. Environmental business is also part of GRK's expertise.
We are a pioneer in sustainable construction, finding the boldest and most viable infrastructure solutions and making projects worry-free for our customers. The more diverse the project, the better it suits us.
GRK's business consists of four segments: civil engineering and road construction, rail business, environmental technology, and power grid business (Power). GRK's core expertise includes the execution of diverse infrastructure construction projects, project management for both large and small projects, and extensive rail expertise.
GRK offers services from design to construction and maintenance. Our clients include government, municipalities and cities, as well as the private sector. GRK cooperates with other companies in many projects.

In addition to the parent company GRK Infra Oyj, the GRK Group consists of three country companies in Finland, Sweden and Estonia.
GRK Infra Oyj acts as the parent company of the Group, employing the Group's administration. The business is concentrated in the country companies.
In Finland, GRK Suomi Oy is responsible for the company's operations, which include civil engineering and road construction, paving, rail construction, and environmental services.
The parent company GRK Infra Oyj owns the country companies described below:
GRK Finland Oy's business is divided into three segments:
In addition, the GRK Group includes ASM Kiviainespalvelu Oy in Finland, and A-Kaabel OÜ and Novus Initium Investments OÜ in Estonia.