Ry-Krisp is a brand of rye

Rye

Rye is a grass grown extensively as a grain and as a forage crop. It is a member of the wheat tribe and is closely related to barley and wheat. Rye grain is used for flour, rye bread, rye beer, some whiskeys, some vodkas, and animal fodder...

 crisp bread

Crisp bread

Crisp bread or hard bread is a flat and dry type of bread or cracker, containing mostly rye flour...

 introduced in 1899.http://www.startribune.com/lifestyle/taste/27808089.html?elr=KArksUUUU. Based in Minneapolis, Minnesota

Minneapolis, Minnesota

Minneapolis , nicknamed "City of Lakes" and the "Mill City," is the county seat of Hennepin County, the largest city in the U.S. state of Minnesota, and the 48th largest in the United States...

, the Ry-Krisp plant was purchased by Ralston Purina in 1926.http://www.purina.com/company/History.aspx. In 1994, The Ralston portion of Ralston Purina was spun off into a new company called Ralcorp

Ralcorp

Ralcorp Holdings is a manufacturer of various food products, including breakfast cereal, cookies, crackers, chocolate, snack foods, mayonnaise, pasta and peanut butter. The company is based in St. Louis, Missouri. The majority of the items Ralcorp makes are private label, store brand products. It...

Holdings with the Ry-Krisp operations included. Today, Ry-Krisp is still based in Minneapolis and is a unit of Ralcorp's Bremner Food Group subsidiary. There are six varieties of Ry-Krisp currently available.