Windsor, Wisconsin. Neesvig Purveyors was founded in 1913 in Madison, Wisconsin. Production moved to Windsor in 1998 when they built a new manufacturing plant. Their products supply the food service industry throughout the Midwest and national mail-order chain accounts. They offer the best in custom selection, aging, portion-cutting and packaging to the customer's specifications. Neesvig's is a company rich in the traditions of leadership, integrity, quality, innovation and offering customers the finest in quality foods and service.