TreeHouse Foods / Ralcorp
800 Market St
St. Louis, MO 63101
314-877-7000
Ralcorp is located in downtown St. Louis, Missouri and is a subsidiary of TreeHouse Foods. Originally Ralcorp was the human food division of Ralston Purina, but split from Purina in 1994. In 2013 it was acquired by ConAgra Foods and then in 2016 it was again sold and became a subsidiary of TreeHouse Foods. It mostly manufactures frozen and packaged private store brand foods such as cookies, breakfast cereals, crackers and snack foods.