Pipes, skids and special structures. Visser & Smit Hanab Veendam is a specialist in the field of large-scale prefab pipe construction. Professional skill is at the heart of everything we do. Our passionate specialists work in modern, fully equipped workshops producing high-quality pipes that are ready to install. Both for our own projects and for third parties. Entirely in line with the customer’s wishes and always to an impeccable standard of quality.