All Employees: Professional and Business Services: Administrative and Support Services in California was 1059.68991 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, All Employees: Professional and Business Services: Administrative and Support Services in California reached a record high of 1144.06908 in October of 2022 and a record low of 563.71345 in August of 1991. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Professional and Business Services: Administrative and Support Services in California - last updated from the United States Federal Reserve on April of 2024.