The construction, design and service activities in the field of construction with a focus on land, transport, underground, water supply and special construction. These buildings then are single-family houses, but also industrial buildings, roads, railways or bridges.

Production, wholesale: -wood briquettes -homasote, garden houses -concrete shutterboards. Saw mill: -carpentry/ joinery -breaking-down. Sale, purchase: -round timber/ lumber/ saw logs.