The core activity of Dreistein encompasses two main areas: 1. Natural Stone Work: The company specializes in the processing and application of Swiss natural stone for interior and exterior use, including facade renovations, natural stone bathrooms, and dry stone walls. 2. Lifestyle and Gourmet Products: Dreistein offers a diverse range of products such as coffee, wine, knives, and other specialties presented in an exhibition space. Furthermore, events and tastings are organized to provide customers with a delightful experience.