All Employees: Professional and Business Services in California was 2702.70000 Thous. of Persons in January of 2021, according to the United States Federal Reserve. Historically, All Employees: Professional and Business Services in California reached a record high of 2722.70000 in January of 2019 and a record low of 1503.80000 in January of 1992. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Professional and Business Services in California - last updated from the United States Federal Reserve on March of 2024.