All Employees: Professional and Business Services: Architectural, Engineering, and Related Services in California was 192.00000 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 California reached a record high of 200.50000 in December of 2021 and a record low of 111.60000 in January 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 California - last updated from the United States Federal Reserve on April of 2024.