Germann Tiefbau GmbH in Winden is a family-run civil engineering company with roots dating back to 1932. We specialise in excavation works, sewer systems, utility lines, landscaping, road construction, water engineering, retention systems, recycling and demolition. From consultation and planning to precise execution and service, we deliver reliable, cost-efficient and sustainable solutions. With a modern fleet and an experienced team, we support private, commercial and public projects throughout the region with flexibility, quality and on-time delivery.

Straub GmbH provides professional civil engineering, demolition and disposal services. The company delivers reliable solutions including earthworks, drainage construction and demolition projects.