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|Headquarters||El Segundo, California, U.S.|
|Products||canned, frozen and refrigerated seafood, including tuna fish|
|Owner||Thai Union Group|
Chicken of the Sea is an El Segundo, California-based provider of packaged seafood, formerly US-owned and now owned by the Thai Union Group in Samut Sakhon, Thailand. The brand sells tuna, salmon, clams, crab, shrimp, mackerel, oysters, kipper snacks and sardines in cans, pouches, and cups, under the brand names "Chicken of the Sea", "Genova", and "Ace of Diamonds". 
The company was founded in 1914 when Frank Van Camp and his son bought the California Tuna Canning Company and changed its name to the Van Camp Seafood Company. The phrase "Chicken of the Sea", first devised as a way to describe the taste, was so successful that soon it also became the company name.
In 1963, Van Camp Seafood Company was purchased by Ralston Purina. In 1988, Ralston sold its Van Camp division to an Indonesian corporation, P.T. Mantrust, which had financial problems, and the primary creditor, Prudential Life Insurance Company, became the majority owner.
In 1997 the company was purchased by the investment group Tri-Union Seafoods LLC, made up of three partners:
- Thai Union International Inc., a Thai conglomerate based in Bangkok and the then-largest tuna packer in Asia and second largest in the world
- Edmund A. Gann, American owner of Caribbean Marine Service, Co., Inc., a tuna-fishing fleet
- Tri-Marine International, Inc., a global trading company formed in Singapore in 1972 dealing in tuna and tuna products headed by Renato Curto, president and majority shareholder.
The new owners changed the name of Van Camp Seafood Company to Chicken of the Sea International. In 2000, Tri-Marine International Inc and Edmund A. Gann sold their 50 percent interest in Chicken of the Sea to Thai Union International, Inc., leaving Thai Union the sole owner of the company. Chicken of the Sea International and Tri-Union International LLC merged into one company, still called Chicken of the Sea International.
With the 2003 acquisition of Empress International, an importer of frozen shrimp and other shellfish, Chicken of the Sea's total annual sales climbed to US$600 million. In 2006, Thai Union formed a new division, Chicken of the Sea Frozen Foods, to focus on sales of premium quality fresh and frozen seafood products. This division grew quickly, enhancing Chicken of the Sea's brand awareness and distribution in the food service and retail industries.
In May 2018, The company moved its headquarters from San Diego to El Segundo, California. 
The company's official explanation for the name of their product: In the "old days", fishermen referred to white albacore tuna as "chicken of the sea". It was called this because the white color of its flesh and mild flavor reminded them of chicken. The founder of the company thought this would be a unique name for a brand of tuna, and the Chicken of the Sea brand is now widely known in the Americas.[ citation needed]
Their advertising mascot, a blonde mermaid with a golden scepter, was introduced in the 1950s and soon became a familiar product icon. In her book, The Longest Trek: My Tour of the Galaxy, Grace Lee Whitney is credited as being the original Chicken of the Sea Mermaid. One of the photographs in the book documents this. (She is mostly known for playing Yeoman Janice Rand in the first season of the original Star Trek TV series). 
Jessica Simpson famously ate a can of Chicken of the Sea tuna on her TV show Newlyweds: Nick and Jessica, in which she asked her then-husband Nick Lachey: "Is this chicken, what I have, or is this fish? I know it's tuna, but it says Chicken... by the Sea [sic]."[ citation needed]
- "Lawsuit alleges StarKist colluded over prices". Pittsburgh Star Gazette. 6 August 2015. Retrieved 26 August 2015.
- "Chicken of Sea, Bumble Bee Abandon Tuna Merger as US Objects". ABC News. Retrieved 2015-12-04.
- "Thai Union set to have first North American headquarters". intrafish.com. 2018-05-03. Retrieved 2018-05-03.(subscription required)
- Whitney, Grace Lee; Denney, Jim (1998). The Longest Trek: My Tour of the Galaxy (1st ed.). Linden Publishing. p. 36. ISBN 1884956033.