• Wheat flour: 471,560
• Durum: 8,500
• Rye: 2,000
• Less swing capacity: (2,000)

In their own words: “Ardent Mills is committed to transforming how the world is nourished. As the premier flour-milling and ingredient company, we cultivate the future of plant-based solutions to help our customers and communities thrive. We operate in more than 40 locations that specialize in flour, quinoa, pulses, and organic and gluten-free products that drive emerging nutrition and innovation across plant-based ingredients.”

• Wheat flour: 264,500

In their own words: “As an industry leader in grain sourcing and milling, ADM offers the most comprehensive portfolio of tried-and-true flours and on-trend specialty milled ingredients, baking mixes and more, all backed by over a century of milling experience. Our bakers, millers and technical experts are at the ready to help you select the right ingredients so you can bake everything better and achieve more.”

Wheat flour: 153,000

In their own words: “Grain Craft is the largest independent flour miller in the nation, offering you premium bulk and bagged flours for the baking, foodservice, tortilla and pizza industries. In total, we can efficiently serve you through 12 milling locations spread coast to coast. But far more important than Grain Craft’s production capacity is our unmatched capacity to serve your needs.”

• Wheat flour: 85,220
• Durum: 4,900
• Rye: 3,220
• Less swing capacity: 1,320

In their own words: “For 125 years, Bay State Milling’s purpose has been to provide food ingredients to promote the growth of nutritious, sustainable and accessible food choices. This relentless pursuit of better has spanned five generations of family ownership and continues to evolve as our food system — and the way we eat — changes.”

• Wheat flour: 86,000
• Durum: 18,500
• Less swing capacity: (18,500)

• Wheat flour: 79,800
• Durum: 4,500

In their own words: “From iconic brands, like Cheerios, Pillsbury and Häagen-Dazs, to brands you have yet to meet, we’ve been serving up food the world loves for 155 years (and counting). General Mills was founded in 1866 when Cadwallader Washburn boldly bought the largest flour mill west of the Mississippi. That pioneering spirit lives on today through our leadership team who upholds a vision of relentless innovation while standing for good.”

• Wheat flour: 68,000

• Wheat flour: 54,500
• Durum: 6,000
• Less swing capacity (6,000)

In their own words: “The mission of the North Dakota Mill is to promote and provide support to North Dakota agriculture, commerce and industry. Provide superior quality, consistency and service to our customers. Grow the business and provide a profit to our owners — the citizens of North Dakota. Conduct our business with the highest integrity so that our employees, customers, suppliers and owners are proud to be associated with the North Dakota Mill.” 

• Wheat flour: 41,500

• Wheat flour: 41,000