from wikipedia
The company is the world's largest processor and marketer of chicken , beef , and pork , and annually exports the largest percentage of beef out of the United States . With 2005 sales of US$ 26 billion, Tyson Foods is the second-largest food production company in the Fortune 500 , the largest meat producer in the world, and according to Forbes one of the 100 largest companies in the United States. It supplies all Yum! Brands chains that use chicken (including KFC and Taco Bell ), as well as McDonald's , Burger King , Wendy's , Wal-Mart , Kroger , Costco , IGA , Beef O'Brady's , small restaurant businesses, and prisons .It has strategic alliances with ConocoPhillips to produce and market renewable diesel fuel; and Kemin Industries, Inc. to develop liquid and dry flavor-enhancers to the North American pet food market, as well as a joint venture with Syntroleum Corporation to produce renewable synthetic fuels for renewable diesel, jet, and military fuel markets.