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Grain Millers Inc.

United States

Specialty grain and fiber processor of conventional, gluten free (oats only) non-GMO and organic oats, wheat, barley, rye, triticale, soy beans, corn, flax seeds and more. Grain Millers operates three oat mills along with a specialty grain, seed and legume processing facility in the United States and Canada. Products are milled into flours, flakes, meals, brans, fibers, cut grains or whole grains and packaged into 1-lb. to 2,000-lb. units or bulk. We operate full-dry blending facilities along with custom contract manufacturing for turn-key retail, institutional or private label products.


  • Grain Millers
  • Fibermaxx
  • FunctionalFlours
  • SafeBake
  • SafeBev
  • SafeExtend


  • AOAC International
  • Institute of Food Technologists (IFT)
  • Organic Trade Association (OTA)


Oat Fiber
Grain Millers
Oat Flour | Grain Millers Oat Products | Oat Flour Supplier

Oat Flour

Barley Flour | Grain Millers Barley Products | Barley Supplier

Barley Flour

Rolled Triticale | Grain Millers Milled Products

Rolled Triticale

Whole White Kernels

Whole Yellow Kernels

Whole Triticale

Whole Brown or Gold Flaxseed

Whole Rye

Whole White Wheat

Whole Red Wheat

Hulled Barley

Oat Groats