The World’s Premier Dry Mustard Miller
Fuelling Performance, Texture & Flavour
The World’s Premier Dry Mustard Miller
Fuelling Performance, Texture & Flavour
Our dry mustard plays a vital role in food processing, combining natural binding properties, flavor enhancement, and clean-label appeal in one premium ingredient.
Proudly Canadian
Serving Global Markets
Proudly Canadian
Serving Global Markets


Premium Solutions for Every Industry
At G.S. Dunn, we craft high-quality dry mustard products tailored for food manufacturers, spice blenders, and condiment makers worldwide. We set the gold standard in dry mustard milling, delivering superior quality, consistency, and functionality.
- Pure & Natural – Sourced from the finest mustard seeds
- Precision-Milled – Consistent quality for superior performance
- Globally Trusted – Used in top food brands around the world
Our Products
The Secret Ingredient in Your Best Products
Mustard Uses & Applications
Mustard isn’t just a condiment—it’s a powerhouse ingredient across industries. Our dry mustard solutions enhance:
Why Choose
G.S. Dunn?
- Over 100 Years of Expertise – Industry pioneers in mustard milling
- State-of-the-Art Milling Process – Cutting-edge technology ensures consistency
- Stringent Quality Control – Rigorous testing for purity and performance
- Sustainable & Ethical Sourcing – Responsibly grown mustard seeds
Give us a call
Have a question or need help with a sample request? Give us a call at (905) 522-0833 and we’ll be glad to assist you.
Email Us
Prefer to reach out online? Send us an email at info@gsdunn.com and we’ll get back to you shortly
Visit Us
Stop by our location—we’re always happy to welcome visitors:
Hamilton Headquarters
80 Park Street North, Hamilton, ON
L8R 2M9, Canada
Bow Island Facility
92050 Secondary Highway 879, Bow Island AB T0K 0G0, Canada
Send Us a Message
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