Welcome to the CheeseBall 500. Krenn works in sales and marketing at United Process Piping in Marshfield, the main CheeseBall 500 sponsor. Building something biggerThis year’s CheeseBall 500 is the first of its kind, but Krenn already has big dreams for the future. It could turn the CheeseBall 500 into an even bigger celebration of Wisconsin agriculture, food and community. The CheeseBall 500 offers a delicious excuse to hit the road.