Thirty-nine profitable corporations in the S&P 500 or Fortune 500 paid no federal income tax from 2018 through 2020, the first three years that the Tax Cuts and Jobs Act (TCJA) was in effect. Besides the 39 companies that paid nothing over three years, an additional 73 profitable corporations paid less than half the statutory corporate income tax rate of 21 percent established under TCJA. As a group, these 73 corporations paid an effective federal income tax rate of just 5.3 percent during th...