La Choy was founded in 1922 by a young Korean immigrant to the United States, Ilhan New, and Detroit grocer Wally Smith to sell bean sprouts to local consumers. The company was bought by ConAgra in 1990.
La Choy: Going on Seventy-five by Jacqueline M. Newman
http://www.flavorandfortune.com/dataaccess/article.php?ID=463
La Choy Food Products Inc. History
http://www.fundinguniverse.com/company-histories/la-choy-food-products-inc-history/