In Ravenna, Ohio, Henry D. Seymour and William Heston established the Quaker Flour Company. The company's first registered trademark, featuring a man in Quaker garb, was for the company's breakfast cereal and remains the company's symbol today.

In Cedar Rapids, Iowa, it is operated by John Stuart, his son Robert and their partner George Douglas. The largest cereal processing plant at the time. In 1856, "King of Oatmeal" Ferdinand Schumacher established the German Mills in the United States Oatmeal Company.

The merger of the Quaker Flour Company, Stuart and Schumacher concentrated the most advanced oat processing technology in the United States into the Quaker Oatmeal Company.

The Quaker Company made its first major merger in 1926, when Aunt Jemina Mills became a Quaker company, which still produces pancake mix and Major producer of syrup. Acquired Gatorade in 1983.

In 1986, Quaker Oats Company merged with Golden Grain Company, which produced Rice-A-Roni.

In 2001, PepsiCo merged with Quaker Oats Company.

Products:

Quaker Savory Instant Oatmeal "Quaker Oat Squares" Quaker Instant Oats "Quick Cook Oats" Quaker Oat Powder "Oatbran Hot Cereal" Quaker Sweet Oat Breakfast Quaker Sweet Oat Breakfast "Quaker Flavored Instant Oatmeal" Quaker Instant Nutritional Oatmeal "QUAKER Cereal Beverage" Many people also refer to these products For its nutritional value and health benefits as it lowers cholesterol. But it has been proven to be fiction.