 The company primarily provides meat for other marketing brands , producing 90 % of its product for customers while selling only 10 % under the West Liberty Foods brand name . In addition to slaughtering turkeys , the company produces prepared beef , chicken , pork , and turkey products . Company revenue has grown rapidly with US $ 65 million in sales during 1997 , US $ 120 million in 2000 , and US $ 200 million in 2003 . Most recently , West Liberty Foods posted US $ 442 million in revenue for 2006 , making the company the 56th largest meat packing company by sales in the United States . Much of the company 's sales come from large nationwide foodservice customers , and , as of 2006 , was Subway 's largest supplier of sliced sandwich meat , providing the franchise with more than 1 million pounds per week . As a result of servicing national customers , the company is inspected more than other food manufacturers . West Liberty Foods ' three plants have been ISO 14001 certified for meeting environmental management standards , and the West Liberty plant was the first turkey processing plant in the United States to receive this certification . 
