More than just an oat supplier, we’re a quality ingredient partner. We are your single-source advantage for ingredients, packaging, and custom blends. Our grain processing includes oats, corn, wheat, rye, …

Learn about our grain products. Grain Millers is a rolled oats wholesale supplier & manufacturer, offering the best quality whole grain products.

Grain Millers is the world’s largest conventional and organic oat miller providing high quality ingredients and products.

Grain Millers has facilities in the United States and Canada including an oat mill in Yorkton, Saskatchewan, Canada to St. Ansgar, Iowa to Eugene, Oregon.

Today, Grain Millers is a leading international agri-business with diversified interests in whole grain manufacturing and merchandising, organic and conventional consumer food products, and the import …

Grain Millers is a rolled oats manufacturer & supplier offering organic, gluten free, and Non-GMO ingredient. Learn more about our grain services.

The first year of the millennium, 2001, was an important year for Grain Millers. With the purchase of a mill in Yorkton, Saskatchewan, we added 58 new employees to our family.

Contact us. If you are looking to buy, sell, or inquire about our grain products, discuss service or quality, Grain Millers can help.

Grain Millers purchased a mill in St. Ansgar, Iowa in 1988, knowing that a Midwest presence would allow us to hit east coast markets at a competitive price. The largest employer in town, this mill is now …

Grain Millers is a leading manufacturer of whole grain ingredients. Learn more about our grain milling jobs in St. Ansgar Iowa, United, States, and Canada.