G.S. Dunn is a global supplier of dry mustard products, and currently exports to over 45 countries on 6 continents.

Ideally located for rail, sea, and land transport, we bring our seed from the finest mustard growing area of the world - Canada's prairie provinces.

Our complete line of mustard flours, ground mustards, brans and deactivated mustard makes us the premier supplier of mustard products to the world!