Gross Domestic Product: Professional, Scientific, and Technical Services (NAICS 54) in Connecticut was 20405.60000 Mil. of $ in January of 2021, according to the United States Federal Reserve. Historically, Gross Domestic Product: Professional, Scientific, and Technical Services (NAICS 54) in Connecticut reached a record high of 20405.60000 in January of 2021 and a record low of 9130.30000 in January of 1997. Trading Economics provides the current actual value, an historical data chart and related indicators for Gross Domestic Product: Professional, Scientific, and Technical Services (NAICS 54) in Connecticut - last updated from the United States Federal Reserve on March of 2024.