Source: U.S. Bureau of the Census
Release: Quarterly Financial Report
Further information related to the Quarterly Financial Report survey can be found at https://www.census.gov/econ/qfr/about.html
Methodology details can be found at https://www.census.gov/econ/qfr/documents/QFR_Methodology.pdf
U.S. Bureau of the Census, Quarterly Financial Report: U.S. Corporations: Income (Loss) After Income Taxes: All Professional and Technical Services, Except Legal Services Industry [QFR115PTSUSNO], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/QFR115PTSUSNO, May 20, 2018.