The Van Nelle Factory. Industrial property listed in the national register of historic monuments, and proud UNESCO World Heritage site. Energy and inspiration. Glass and steel. History and future. The Van Nelle Factory is the definitive venue in Rotterdam for businesses, events and culture. Already home base to over 80 large companies and smaller enterprises, the Van Nelle Factory also hosts countless local, national and international conferences and networking events. A unique environment, spacious and light, offering a tangibly dynamic setting.