All Employees: Professional and Business Services: Investigation and Security Services in Connecticut was 7.90000 Thous. of Persons in January of 2022, according to the United States Federal Reserve. Historically, All Employees: Professional and Business Services: Investigation and Security Services in Connecticut reached a record high of 9.60000 in March of 1999 and a record low of 7.60000 in November of 1991. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Professional and Business Services: Investigation and Security Services in Connecticut - last updated from the United States Federal Reserve on March of 2024.