All Employees: Professional and Business Services: Scientific Research and Development Services in California was 191.02109 Thous. of Persons in March of 2024, according to the United States Federal Reserve. Historically, All Employees: Professional and Business Services: Scientific Research and Development Services in California reached a record high of 196.74008 in October of 2022 and a record low of 70.04281 in August of 1992. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Professional and Business Services: Scientific Research and Development Services in California - last updated from the United States Federal Reserve on April of 2024.