All Employees: Professional and Business Services: Administrative and Support Services in Washington was 170.87606 Thous. of Persons in May of 2022, according to the United States Federal Reserve. Historically, All Employees: Professional and Business Services: Administrative and Support Services in Washington reached a record high of 176.25961 in April of 2022 and a record low of 64.50439 in January of 1990. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Professional and Business Services: Administrative and Support Services in Washington - last updated from the United States Federal Reserve on April of 2024.