Ralcorp
Ralcorp was a U.S. packaged-food manufacturer best known for producing private-label grocery products and operating cereal, bakery, snack, sauce, spread, and pasta businesses.
Last updated October 14, 2026
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Overview
Ralcorp Holdings was an American food manufacturer headquartered in downtown St. Louis, Missouri. Its principal business was the production of private-label, or store-brand, packaged foods for grocery retailers in the United States. Its portfolio included breakfast cereals, cookies, crackers, chocolate products, snack foods, mayonnaise, pasta, peanut butter, frozen bakery goods, and other shelf-stable and frozen products. Rather than relying primarily on consumer-facing master brands, Ralcorp supplied products that retailers sold under their own labels, making the company an important part of the U.S. grocery supply chain. The company’s historical roots reached back to the late nineteenth century. In 1898, William H. Danforth of Purina Mills expanded into human breakfast cereal and obtained the endorsement of Webster Edgerly, whose public persona was Dr. Ralston. The cereal business became sufficiently important that Purina Mills adopted the name Ralston Purina in 1902. Over subsequent decades, Ralston Purina developed human-food products alongside its animal-feed and later pet-food operations. Its human-food portfolio included Ralston and Chex cereals, Cookie Crisp, soda crackers, farina, and other grocery products. The human-food activities were eventually separated from the animal and pet-food businesses, which later became associated with Purina Mills and Nestlé Purina PetCare respectively. In 1994, the human-food business was spun off into Ralcorp Holdings, operating in part through Ralston Foods. The new company divested several major branded assets during its early restructuring. Its branded breakfast-cereal business was sold to General Mills, while the Continental Baking business, including products such as Wonder Bread and Twinkies, was sold to Interstate Bakeries. These transactions left Ralcorp more focused on manufacturing and supplying food for retailers and other branded-food companies. Ralcorp subsequently expanded through acquisitions in bakery, snacks, sauces, spreads, pasta, and related categories. It acquired Bakery Chef in 2003, Lofthouse Foods in 2002, Cottage Bakery in 2006, Bloomfield Bakers/Lovin Oven in 2009, and American Italian Pasta Company in 2010. Other operations included Bremner Food Group, Carriage House Companies, Ralcorp Frozen Bakery Products, and Ralston Foods. The acquisitions broadened its ability to produce private-label products across grocery aisles and frozen-food departments. The company returned to the branded cereal business when it agreed in late 2007 to acquire Post Cereals from Kraft Foods. The transaction closed on August 4, 2008. Post was later separated from Ralcorp as an independent business in 2012, creating Post Holdings. Ralcorp therefore used a series of portfolio changes to distinguish its private-label manufacturing activities from the branded cereal business. In 2011, ConAgra Foods made an unsuccessful initial approach to acquire Ralcorp. After Ralcorp resisted the offer and pursued the Post separation, ConAgra announced an agreement in November 2012 to purchase Ralcorp for approximately $4.95 billion, subject to shareholder approval. The transaction closed in January 2013, with Ralcorp shareholders receiving $90 per share. The acquisition made ConAgra one of the largest private-label packaged-food producers in the United States. ConAgra later sold its private-brands operations to TreeHouse Foods. TreeHouse announced completion of the transaction on February 1, 2016, for $2.7 billion in cash plus transaction-related consideration. This transferred the former Ralcorp private-label platform into TreeHouse Foods and ended Ralcorp as an independent corporate business. In 2021, Post Holdings acquired TreeHouse Foods’ ready-to-eat cereal business, linking part of the former Ralcorp-related cereal portfolio back to Post. Ralcorp is therefore best understood today as a defunct corporate food manufacturer whose operations and brands were distributed among successor companies rather than as an active standalone consumer brand.
History
Ralcorp’s corporate history developed from the human-food activities of Ralston Purina. The business traces its product ancestry to 1898, when William H. Danforth expanded Purina Mills into breakfast cereal production. The cereal enterprise was associated with Webster Edgerly, known publicly as Dr. Ralston, and its success contributed to Purina Mills adopting the Ralston Purina name in 1902. For much of the twentieth century, Ralston Purina operated human-food, animal-feed, and pet-food businesses under one corporate umbrella. Its human-food activities included Ralston cereals, Chex, Cookie Crisp, farina, crackers, and other grocery products. As the businesses became increasingly distinct, the human-food operations were separated in 1994 into Ralcorp Holdings. The new company sold its branded breakfast-cereal lineup to General Mills and its Continental Baking division, including Wonder Bread and Twinkies, to Interstate Bakeries. This reshaped Ralcorp around manufacturing, private-label supply, and selected remaining brands. Ralcorp expanded through acquisitions. Bakery Chef, Lofthouse Foods, Cottage Bakery, Bloomfield Bakers/Lovin Oven, and American Italian Pasta Company added capabilities in frozen bakery, cookies, breads, pasta, and related categories. Bremner Food Group and Carriage House Companies contributed additional snack, sauce, spread, and private-label capacity. Ralcorp’s customers included grocery retailers that marketed products under store labels, making manufacturing scale, category breadth, and retailer relationships central to its competitive position. The company made a strategic move back into branded cereal by agreeing in 2007 to purchase Post Cereals from Kraft Foods. The transaction closed in 2008. Ralcorp later separated Post Foods into Post Holdings in 2012, while retaining the larger private-label manufacturing platform. ConAgra Foods had attempted to acquire Ralcorp in 2011, and after negotiations and resistance, announced a definitive purchase agreement in November 2012. The acquisition closed in January 2013 for approximately $4.95 billion, with a stated price of $90 per Ralcorp share. The Ralcorp-derived private-brands business remained within ConAgra until TreeHouse Foods acquired ConAgra Foods’ private-brands operations. TreeHouse completed that transaction on February 1, 2016. The purchase transferred Ralcorp’s successor private-label operations into TreeHouse and marked the end of Ralcorp as an independent corporate entity. In 2021, Post Holdings acquired TreeHouse’s ready-to-eat cereal business, creating another corporate transition for part of the cereal-related assets. Ralcorp consequently survives mainly through successor businesses, product capabilities, and brand histories rather than as a current standalone company.
- 2021
Post Holdings acquires ready-to-eat cereal business
[3]Post Holdings acquired TreeHouse Foods’ ready-to-eat cereal business.
- 2016
Private-brands operations transferred to TreeHouse Foods
[2]TreeHouse Foods completed its acquisition of ConAgra Foods’ private-brands operations.
- 2013
ConAgra completes Ralcorp acquisition
[1]ConAgra Foods completed its approximately $4.95 billion acquisition of Ralcorp in January.
- 2012
Post Foods spun off
[1]Ralcorp separated its branded cereal unit as Post Holdings.
- 2010
American Italian Pasta Company acquired
[1]The acquisition broadened Ralcorp’s position in pasta manufacturing and private-label foods.
- 2009
Bloomfield Bakers acquired
[1]Ralcorp acquired Bloomfield Bakers, also associated with Lovin Oven LLC.
- 2008
Post Cereals acquisition completed
[1]Ralcorp completed its purchase of Post Cereals from Kraft Foods on August 4, 2008.
- 2006
Cottage Bakery acquired
[1]Ralcorp expanded its bakery manufacturing portfolio through the purchase of Cottage Bakery.
- 2003
Bakery Chef acquired
[1]The acquisition added frozen bakery capacity and related product lines.
- 2002
Lofthouse Foods acquired
[1]Ralcorp acquired Lofthouse Foods, expanding its bakery and cookie-related capabilities.
Products and positioning
A large-scale U.S. manufacturer and co-packer focused primarily on private-label and store-brand packaged foods, with additional ownership or operation of selected consumer food brands.
Breakfast cereal
Ralston Foods cereals
Ralston Foods represented the cereal business descended from the human-food operations of Ralston Purina. The portfolio included breakfast cereals and related grocery products, with the company also producing cereal for private-label and retailer programs. Its historical importance derives from the cereal activities that helped establish the Ralston name before the human-food business became Ralcorp.
Branded breakfast cereal
Post Cereals
Post Cereals was acquired from Kraft Foods by Ralcorp in a transaction completed in 2008. The purchase returned Ralcorp to a significant branded-cereal position after the earlier sale of its branded cereal lineup to General Mills. Ralcorp later separated Post Foods into the independent Post Holdings company in 2012.
Crisp bread
Ry-Krisp
Ry-Krisp was a named consumer product associated with Ralcorp’s broader grocery portfolio. It is a crisp-bread product made from rye and positioned as a shelf-stable alternative to conventional bread or crackers. The product illustrates that Ralcorp maintained selected branded offerings alongside its much larger private-label manufacturing business.
Store-brand food manufacturing
Private-label packaged foods
Ralcorp’s central offering was contract and private-label production for grocery retailers. Its capabilities covered cereals, cookies, crackers, snacks, chocolate products, mayonnaise, sauces, spreads, peanut butter, pasta, breads, and frozen bakery goods. Products were generally sold under retailer-owned labels rather than a single Ralcorp consumer brand, allowing supermarkets and mass merchants to offer store-brand alternatives across numerous food categories.
Brand decisions
2016
Transfer private-brands operations to TreeHouse FoodsM&ABackground
ConAgra Foods decided to sell its private-brands operations after owning the former Ralcorp platform for approximately three years.
Action taken
TreeHouse Foods completed the acquisition of the private-brands business.
Aftermath
The former Ralcorp private-label operations became part of TreeHouse Foods, ending Ralcorp’s corporate succession through ConAgra.
Acquisition consideration. $2.7 billion in cash plus transaction expenses and financing-related consideration (Completed February 1, 2016)
2012
Spin off Post FoodsStrategyBackground
Ralcorp’s branded cereal assets were strategically distinct from its private-label manufacturing platform.
Action taken
Ralcorp completed the separation of Post Foods as an independent company, Post Holdings.
Aftermath
Ralcorp returned its focus to private-label and other food-manufacturing operations, while Post Holdings continued as a separate branded-food company.
2012
Accept ConAgra Foods acquisition agreementM&ABackground
ConAgra Foods had pursued Ralcorp and made an earlier approach in 2011 that Ralcorp resisted.
Action taken
Ralcorp agreed to be acquired by ConAgra Foods in a transaction announced in November 2012.
Aftermath
The transaction closed in January 2013, and Ralcorp ceased operating as an independent listed company.
Announced transaction value. Approximately $4.95 billion; $90 per Ralcorp share (Announced November 27, 2012; completed January 2013)
2007
Acquire Post Cereals from Kraft FoodsM&ABackground
Ralcorp sought to expand beyond private-label manufacturing and re-enter the major branded breakfast-cereal category.
Action taken
Ralcorp agreed to purchase Post Cereals from Kraft Foods; the acquisition was completed in August 2008.
Aftermath
The deal gave Ralcorp a substantial branded cereal business before Post Foods was later separated into Post Holdings.
1994
Separate the human-food operations from Ralston PurinaStrategyBackground
Ralston Purina’s human-food activities had become organizationally distinct from its animal-feed and pet-food businesses.
Action taken
The human-food business was spun off into Ralcorp Holdings, operating through food-focused units including Ralston Foods.
Aftermath
Ralcorp became an independent food manufacturer and subsequently emphasized private-label production while divesting several large branded assets.
Recent events
- 2021
Post Holdings acquires TreeHouse ready-to-eat cereal business[3]
M&A
Post Holdings acquired TreeHouse Foods’ ready-to-eat cereal business, bringing part of the related cereal operations back into the Post corporate family.
- 2016
TreeHouse Foods completes purchase of ConAgra private brands[2]
M&A
TreeHouse Foods acquired ConAgra Foods’ private-brands operations for $2.7 billion in cash plus related transaction consideration, ending the former Ralcorp platform’s association with ConAgra.
- 2013
ConAgra completes acquisition of Ralcorp[1]
M&A
The acquisition closed in January 2013, making ConAgra one of the largest private-label packaged-food businesses in the United States.
- 2012
Ralcorp announces separation of Post Foods[1]
Other
Ralcorp separated its Post Foods cereal unit into an independent company, Post Holdings.
- 2012
ConAgra announces agreement to acquire Ralcorp[1]
M&A
ConAgra Foods announced a transaction valued at approximately $4.95 billion, with Ralcorp shareholders set to receive $90 per share.
- 2008
Ralcorp completes acquisition of Post Cereals[1]
M&A · Product generation
The Post Cereals acquisition was completed on August 4, 2008, adding a major branded cereal operation to Ralcorp’s portfolio.
- 2007
Ralcorp agrees to acquire Post Cereals from Kraft Foods[1]
M&A
Ralcorp signed an agreement to acquire Kraft Foods’ Post Cereals business, beginning its return to the branded breakfast-cereal market.
Sources3 sources
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