Zwijndrecht | Patron R&D center and production facility. http://www.3m.com info@mmm.com +32 (0)3 250 75 11 Haven 1005, Canadastraat 11 2070 Zwijndrecht 3M says #Yes2Belgium 3M in Belgium: A hub for science and innovation 3M was established in Belgium in 1963. It has its head office in Diegem and the R&D, Training and Expertise Center and plant in Zwijndrecht. 3M has production, research, development and customer training operations in Belgium. There are 540 3M employees in Belgium. Discover 3M's #Yes2Belgium story