All Employees: Professional and Business Services in California was 2793.60000 Thous. of Persons in November of 2021, according to the United States Federal Reserve. Historically, All Employees: Professional and Business Services in California reached a record high of 2793.60000 in November of 2021 and a record low of 1468.90000 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.