CLOSE

An American Foods Group employee walks past a sign that says “Heroes trabajan aquí,” meaning “Heroes work here,” on April 28 in Green Bay. (Photo: Sarah Kloepping/USA TODAY NETWORK-Wisconsin)

Wisconsin Manufacturers & Commerce filed a lawsuit Thursday asking a judge to block the state health department from releasing the names of businesses with COVID-19 cases in response to public records requests for the data.

The state’s largest business lobbying group argued in its filing that the records are protected by patient confidentiality laws and that disclosure will “irreparably” harm businesses by “effectively blacklisting them.”

The WMC, Muskego Area Chamber of Commerce and New Berlin Chamber of Commerce & Visitor Bureau filed the lawsuit in Waukesha County Circuit Court.

Track COVID-19 in Wisconsin: See the latest numbers and trends

The Milwaukee Journal Sentinel requested access to state Department of Health Services data on Wisconsin facilities associated with COVID-19 cases on