Lemminkäinen’s business operations have been organised into four business sectors since 1.1.2008
| | Building construction Lemminkäinen is Finland’s most experienced building construction company and one of the largest. The business sector is the responsibility of Lemminkäinen Talo Oy and its subsidiaries. It operations include residential construction, commercial and office construction, industrial and logistics construction, and sports and recreational construction. |
| Infrastructure construction Lemminkäinen is easily Finland’s biggest and most international infrastructure construction company. The business sector is the responsibility of Lemminkäinen Infra Oy and its subsidiaries. Its operations include the construction and upkeep of road, street and rail networks as well as rock and foundation engineering. The company has its own asphalt, concrete and mineral aggregates production. |
| Technical building services Lemminkäinen’s technical building services business sector is the responsibility of Tekmanni Oy and its subsidiaries. Its business areas are technical building and facilities services and industrial services. The company also provides installation, contracting, maintenance and upkeep services. |
| Building products Lemminkäinen Building Products operates through its subsidiaries Lemminkäinen Katto Oy, Lemminkäinen Betonituote Oy and Omni-Sica Oy. Lemminkäinen Building Products manufactures and sells roofing and waterproofing products as well as concrete and urban environment products and their related contracting services. Sports construction also belongs to the business sector. |