Home / BEO Trekwerk / Technology Each of our products can be custom made to meet your specific requirements. Overstage machinery Our stage machinery brings out the best of theatres and other venues. On & Understage Custom built and unique is our generic. Constructions Our approach is logical; efficient, modular & sustainable. TNM Software TNM Software - is the root of our success. TNM Club In the TNM Club you can experience the Trekwerk family culture first hand.