All Employees: Professional and Business Services in Ohio was 717.60000 Thous. of Persons in January of 2021, according to the United States Federal Reserve. Historically, All Employees: Professional and Business Services in Ohio reached a record high of 734.90000 in January of 2019 and a record low of 450.40000 in January of 1991. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Professional and Business Services in Ohio - last updated from the United States Federal Reserve on April of 2024.