All Employees: Investigation and Security Services in California was 168.20000 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, All Employees: Investigation and Security Services in California reached a record high of 168.20000 in January of 2023 and a record low of 79.00000 in January of 1991. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Investigation and Security Services in California - last updated from the United States Federal Reserve on March of 2024.