The Bister mustard factory is the number 1 mustard manufacturer in Belgium, with a rich history dating back to 1926. We are proud of our great know-how and are present in almost all stores, wholesalers and fine grocery stores in Belgium. Our experience and dedication to quality have helped us to stand out from the competition with a wide range of organic and non-organic variants. In short, Bister embodies the essence of artisanal know-how, combining tradition and innovation to offer our customers exceptional flavors that transcend time.