Announced Friday, Swiss Valley Farms Inc., a mid-west dairy cooperative, has purchased the Shullsburg Creamery campus in Shullsburg for $4 million.

The transaction included the cheese manufacturer’s 18.4-acre campus, which has three buildings and a wastewater treatment building. The four structures total 80,058 square feet.

Swiss Valley Farms has yet to decide which of its product lines would be produced at the site, said Ron Schroder, vice president of marketing for Swiss Valley. The number of employees that the site is likely to have is also undetermined.

Swiss Valley Farms is a four-state cooperative owned and controlled by 1,000 dairy producers, with headquarters in Davenport, Iowa. It has cheese manufacturing facilities in Mindoro and Platteville in Wisconsin. It also has cheese, milk bottling and cultured products plants and other facilities in Iowa and Minnesota. Swiss Valley Farms has 700 employees and annual sales of $525 million.