Grain Millers, Inc. began in 1986 as a small oat milling company in Oregon. With an eye for finding the right fit at the right time, Grain Millers, Inc. have grown steadily ever since. 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 and export of commodities

Developing More Natural Ingredients That Get The Job Done

Grain Millers pioneered a process to manufacture the industry’s first line of chemical-free oat fiber. This ever-expanding line will enhance your dietary fiber claims and meet FDA dietary fiber regulations while providing the cleanest of labels. Our 30-plus years of milling experience and our passion for experimentation will help you reach your product goals. Having a role in putting healthy food on the table is important to us.


Grain Millers has production facilities strategically located throughout North America with varying specialties to efficiently serve our customers worldwide.


Our commitment to quality and service is demonstrated by the certifications held by our milling facilities. Each facility is independently certified by an industry-accredited agency. If you require a certification that isn't listed below, let us know and we'll see if that certification is an option.

Oat Fiber FIBRES
Oat Syrup Solids - CereSweet FIBRES

We greatly value our organic certifications and take pride in providing the highest quality organic ingredients. Grain Millers, Inc. is certified organic by Oregon Tilth in the U.S. and by OCPP/Pro-Cert in Canada


Grain Millers’ facilities are third-party certified by BRC, showing our commitment to providing safe, high-quality food products. Most of our facilities have also achieved certification against the requirements laid out by the Global Food Safety Initiative (GFSI), which is a business-driven initiative for the continuous improvement of food safety management systems and provides the framework for the highest certifiable level of food safety systems in the industry to date.


Our U.S. mills are certified kosher by the Orthodox Union and most of the products produced by these mills carry the OU logo. Our Canadian mill is certified by the OK Kosher Certification Committee and proudly displays the OK logo

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