All Employees: Professional and Business Services: Architectural, Engineering, and Related Services in Pennsylvania was 63.53808 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 Pennsylvania reached a record high of 66.69686 in December of 2023 and a record low of 48.23141 in September of 1994. 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 Pennsylvania - last updated from the United States Federal Reserve on March of 2024.