Tyson Foods, Inc. is (NYSE:TSN) the world's largest processor and marketer of chicken, beef and pork products, exporting to over 90 countries. The firm generated $26.7 billion in 2009 revenue, operating five business segments: Chicken; Beef (its largest segment); Pork; Prepared Foods; and Other. Tyson sells to a variety of customers, including retail, food service and even pharmaceutical companies. Wal-Mart Stores (WMT) is the company's largest customer, accounting for 13.8% of overall sales in 2009. In 2007, Tyson got into the biodiesel business by striking a partnership with oil company ConocoPhillips (COP) to produce biodiesel from animal fat, which at its peak could reach 175 million gallons per year for Tyson. The production facility was completed in July 2010 and production is expected to follow shortly thereafter.^[1]

In late September 2010, China announced new tariffs on chicken imports from the US of up to 105%. Tyson and other companies are lobbying Congress and China to remove the new tax, which went into effect on September 27. Tyson's imports will be charged a 50.3% duty.^[2]

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