Here are the core activities of the companies:
1. Bollinger AG: Trading in wood products, particularly veneers and sawn timber, with a focus on sustainability.
2. Schreinerei Kälin AG: Development and installation of access solutions and security systems for buildings.
3. Kuratle & Jaecker AG: Development of solutions related to wood for construction and interior finishing.
4. (No specific company mentioned): Joinery specializing in interior design for businesses and commercial customers.
5. Schreinerei Kälin AG: Manufacturing high-quality wood products, particularly kitchens, doors, bathrooms, and furniture.
6. Schreinerei Kälin AG: Manufacturing wood products, particularly furniture, wardrobe systems, and interior finishing.
7. Stark AG: Trading in wood-based materials, doors, and floors, with a focus on quality and service.
8. Schreinerei Kälin AG: Manufacturing wood products, particularly kitchens, doors, bathrooms, and furniture.
9. Schreinerei Kälin AG: Training and promotion of carpenters and joiners.
10. (No specific company mentioned): Joinery specializing in custom-made furniture, interior finishing, and renovations.