Construction and restoration of dry stone walls; natural stone work of all kinds, in particular flooring, natural landscape and garden construction, including planning, consulting, design and maintenance. Provision of special services: engineering biological slope stabilization, hiking trail and trail construction, maintenance of orchards and trees. Transport, disposal, conversions and renovations of all kinds. Trade in materials, plants and textiles (in particular work and protective clothing). The company can establish branches in Switzerland and abroad, participate in other companies in Switzerland and abroad, acquire or merge with similar or related companies, acquire, manage and sell properties, and enter into all transactions and contracts that are suitable to promote the purpose of the company or are directly or indirectly related to it.