Bay State Milling - Where change cultivates opportunity  
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About Bay State Milling
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Field to Fork
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  Continuous collaboration, from field to fork. At Bay State Milling, we foster true partnerships, right from the start.
  Learn more about how Bay State Milling has helped our customers succeed in managing change, check out some of our Success Stories.


Bernard J. Rothwell emigrates from Dublin, Ireland to Boston Massachusetts.

The Porter Mill at Winona, MN is purchased and renamed Bay State Milling Company.

Bernard J. Rothwell is named the Chairman and Paul T. Rothwell the first President of Bay State Milling.

Paul Rothwell is named Chairman and CEO and Bernard J. Rothwell II is named President.

Bay State Milling purchases the New Jersey Flour Mills, located in Clifton, NJ.

Bay State Milling acquires the Mooresville Flour Mills in Mooresville, NC.

New company logo designed and introduced.

Bay State Milling acquires the Hayden Flour Mills in Tempe, AZ.

Bay State Milling opens the country's newest flour milling facility in Indiantown, FL.

Bernard J. Rothwell III named Chairman; Brian G. Rothwell named President.
Bay State Milling acquires the ConAgra flour milling facility in Tolleson, AZ.

Bay State Milling reopens a 12,000-cwt modern milling facility in Clifton, NJ.

Indiantown, FL mill is doubled in size to support new growth.

Winona, MN mill undergoes a major modernization and is expanded by 25%.

Milling capacity is doubled at Moorseville, NC and Tolleson, AZ.

Bay State Milling Company celebrates its 100th anniversary.
Bay State Milling creates a joint venture: Rocky Mountain Milling in Platteville, CO.

Bay State enters the dry blending business and secures its first major mix customer.

Bay State Milling develops GrainEssentials™ White Whole Wheat Extra Fine flour.
Bay State extends its blending capabilities to the East Coast.

Bay State Milling acquires additional interest in Rocky Mountain Milling, LLC, resulting in a majority ownership of the Platteville,CO facility.

Bay State Milling Company expands its dry blending capabilities by acquiring Premier Blending in Wichita, KS.

Organic flour milling capabilities and organic certification extended to Winona, MN and Mooresville, NC.

Bay State Milling Company enters the gluten-free marketplace with a dedicated production area in Wichita, KS.

Brian G. Rothwell named Chief Executive Officer; Pete F. Levangie named President and Chief Operating Officer.

Bay State Milling completes purchase of Rocky Mountain Milling, LLC, becoming largest miller of organic flour in U.S.

The Nutrition Science Advisory Council (NSAC) is created in support of Bay State’s goal to provide healthy grain-based food ingredients.

Bay State Milling Company opens The Rothwell GrainEssentials Center:  Where Grain Based Solutions Grow, a 4,000 sq. ft. innovation and applications center in Quincy, MA, dedicated to Bernard J. Rothwell, 2nd.

Capabilities are expanded in Winona, MN, to include identity preservation along with the milling of a broader variety of grain types and granulations.


Bay State Milling Company acquires T.J. Harkins, Inc. and Subsidiaries, a leading supplier of grains, edible seeds, specialty flours and organic ingredients.


Bay State Milling Company acquires Certified Foods, Inc., of Woodland, California, a supplier of conventional, organic and gluten-free whole milled flours.


Bay State Milling Company introduces a new corporate logo and tagline, A Trusted Family of Ingredients, to symbolize the Company's continuing commitment to provide a reliable supply chains of plant-based ingredients for the grain-based foods market.


Bay State Milling expands into seed varietal development with the launch of 5th Generation Seed, LLC, focused on the development of new varieties of wheat and seed germplasm.

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Bay State Milling Company - Since 1899