All Employees: Professional and Business Services: Architectural, Engineering, and Related Services in Ohio was 48.52036 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, All Employees: Professional and Business Services: Architectural, Engineering, and Related Services in Ohio reached a record high of 48.52036 in January of 2024 and a record low of 34.05192 in December of 1991. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Professional and Business Services: Architectural, Engineering, and Related Services in Ohio - last updated from the United States Federal Reserve on March of 2024.