This industry comprises establishments primarily engaged in grinding grains or vegetables; milling, cleaning and polishing rice; or manufacturing malt. Integrated mills, which grind grain and further process the milling products into such products as prepared flour mixes or doughs, are included.

This industry comprises establishments primarily engaged in wet-milling corn and vegetables; crushing oilseeds and tree nuts and extracting oils; or processing or blending purchased fats and oils.

This industry comprises establishments primarily engaged in manufacturing breakfast cereal foods.