From a review of SEC filings and Google Finance, there were 27 Wisconsin Companies with stock market caps in mid-July 2020 of above $1 bil and which reported consistent annual financial statement earnings information to the SEC for each of the most recent seven years (Fiscal Years from 2013 to 2019).
The table below shows the Pretax Income (Loss) From Continuing Operations for each of these seven fiscal years for each of these 27 largest Wisconsin Companies.