All Employees: Professional and Business Services: Professional, Scientific, and Technical Services in Washington was 263.20000 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, All Employees: Professional and Business Services: Professional, Scientific, and Technical Services in Washington reached a record high of 272.80000 in December of 2023 and a record low of 93.40000 in February of 1990. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Professional and Business Services: Professional, Scientific, and Technical Services in Washington - last updated from the United States Federal Reserve on March of 2024.