All Employees: Professional and Business Services: Architectural, Engineering, and Related Services in California was 193.42038 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 California reached a record high of 205.39519 in August of 2023 and a record low of 112.87500 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 March of 2024.