All Employees: Professional and Business Services: Architectural, Engineering, and Related Services in Ohio was 43.00000 Thous. of Persons in March of 2022, 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 44.60000 in July of 2000 and a record low of 33.30000 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: Architectural, Engineering, and Related Services in Ohio - last updated from the United States Federal Reserve on March of 2024.