<Page> Exhibit 21 SUBSIDIARIES OF CONAGRA FOODS, INC. ConAgra Foods, Inc. is the parent corporation owning, directly or indirectly, 100% of the voting securities (unless otherwise noted) of the following subsidiaries principally engaged in the production and distribution of food products (unless otherwise noted) as of May 26, 2002: <Table> <Caption> Jurisdiction of Subsidiary Incorporation - ---------- ------------- Ag-Chem, Inc. (principally engaged in the agricultural chemical business) Maryland Alliance Grain, Inc. (principally engaged in commodity marketing) Delaware A.M. Gilardi & Sons, Inc. Ohio Australia Meat Holdings Pty. Ltd. (owns 100% of one active foreign corporation) Australia Bumble Bee International, Inc. (owns 30% of one foreign corporation) Delaware Bumble Bee Seafoods, Inc. (owns 100% of three domestic corporations, 50% of one domestic limited liability company and 100% of two foreign corporations) Delaware CAG 45, Inc. Delaware Choice One Foods, Inc. California ConAgra Beef Company (owns 100% of four domestic corporations, 50% of two domestic limited liability companies, and 100% of one foreign corporation) Delaware ConAgra Dairy Foods Company (owns 100% of three domestic corporations) Delaware ConAgra Grocery Products Company (owns 100% of 11 domestic corporations, 50% of two domestic limited liability companies, 50% of one foreign corporation and 100% of one foreign corporation) Delaware ConAgra International Fertilizer Company (principally engaged in the agricultural chemicals business) Delaware ConAgra International, Inc. (owns 100% of the voting securities of 16 foreign corporations, 99% of five foreign corporations, 85% of one foreign corporation, and 30% of one foreign corporation, all engaged principally in the worldwide commodities trading business and the processing of beef and malt) Delaware ConAgra Limited (owns </Table> 102 <Page> Exhibit 21 (continued) <Table> 100% of one foreign entity and 50% of one foreign entity) Canada ConAgra Poultry Company (owns 100% of two domestic corporations and 50% of one domestic limited liability company engaged principally in waste conversion) Delaware ConAgra Poultry Company of Kentucky, Inc. Kentucky Cropmate Company (owns 100% of two domestic corporations; principally engaged in the agricultural chemicals business) Delaware GoodMark Foods, Inc. (owns 100% of one domestic corporation) North Carolina Grist Mill Co. (owns 100% of a domestic corporation) Delaware Grower Service Corporation (principally engaged in the agricultural chemicals business) New York Hester Industries, Inc. West Virginia Lamb Weston, Inc. (owns 100% of three domestic corporations; 50% of one domestic limited liability company; 15% of one foreign corporation and 82% of one domestic limited liability company) Delaware Loveland Industries, Inc. (principally engaged in the agricultural chemicals business) Colorado Midwest Agriculture Warehouse Co. (principally engaged in the agricultural chemicals business) Nebraska Molinos de Puerto Rico, Inc. Nebraska Monfort Finance Company, Inc. Colorado Ostlund Chemical Company (principally engaged in the agricultural chemicals business) North Carolina Platte Chemical Co. (owns 49% of one foreign corporation and 3% of two domestic limited liability companies; principally engaged in the agricultural chemicals business) Nebraska Pueblo Chemical & Supply Co. (principally engaged in the agricultural chemicals business) Colorado S&C Beef Processors, L.L.C. Alabama Swift & Company Delaware Swift-Eckrich, Inc. (owns 100% of six domestic corporations; 100% of one domestic limited liability company and 100% of one foreign corporation) Delaware </Table> 103 <Page> Exhibit 21 (continued) <Table> To-Ricos, Inc. Nebraska Tri-State Chemicals, Inc. (principally engaged in the agricultural chemicals business) Texas Tri-State Delta Chemicals, Inc. (principally engaged in the agricultural chemicals business) Mississippi United Agri Products, Inc. (owns 100% of the voting securities of 13 domestic corporations and 50% of two limited liability companies, all engaged principally in the agricultural chemicals business) Delaware United Agri Products - Florida, Inc. (principally engaged in the agricultural chemicals business) Florida UAP/GA Ag Chem, Inc. (principally engaged in the agricultural chemicals business) Georgia Zoll Foods Corporation Illinois </Table> The corporations listed above and on the previous page are included in the consolidated financial statements, which are a part of this report. 104