Nebraska Firm Recalls Beef Products Due To Possible E. Coli O157:H7 Contamination. Nebraska Beef, Ltd., an Omaha, Neb., establishment has recalled approximately 1.2 million pounds of primal cuts, subprimal cuts and boxed beef that may be contaminated with E. coli O157:H7. Clarification: This recall affects only certain products produced at the Nebraska Beef Ltd. company, located in Omaha. It does not relate, implicate, or otherwise affect beef in the State of Nebraska. Please note this important distinction.