Onninen provides a comprehensive selection of technical trade products and service packages to contractors, industry, infrastructure building and retail dealers. We are a strong partner for business customers and suppliers through our nationwide sales network, efficient logistics and multichannel customer experience. We have operated in the sector since 1913. We employ around 1,550 persons in Finland and our sales network consists of nearly 60 Onninen Express stores around the country.
In the Industry segment, we serve equipment manufacturers (OEM), maintenance (MRO), and contractors. Our extensive product range covers industrial piping and steel products, industrial cables, lighting and electrical products, industrial automation products, industrial cables, tools, fastening and PPE.
In Finland, Onninen and K-Rauta are part of K Group’s international building and technical trade division. Building and technical trade operates in eight countries and employs together with K-retailers around 10,000 trading sector professionals internationally. In 2025, the division’s net sales totaled €4,686 million.