The core activity of René Margueron is the manufacture and installation of wood and PVC products for interior and exterior building construction, specifically: manufacture and installation of windows, doors, shutters and terraces made of wood and PVC; installation of solid wood or stratified wood parquet floors. The company provides these services as an independent joiner (carpenter) and focuses on the Swiss Romandy region, particularly the cantons of Neuchâtel, Vaud, Jura, Bern and Fribourg.