Gross Domestic Product: Professional and Business Services (NAICS 54, 55, 56) in Connecticut was 39133.30000 Mil. of $ in January of 2022, according to the United States Federal Reserve. Historically, Gross Domestic Product: Professional and Business Services (NAICS 54, 55, 56) in Connecticut reached a record high of 39133.30000 in January of 2022 and a record low of 15701.90000 in January of 1997. Trading Economics provides the current actual value, an historical data chart and related indicators for Gross Domestic Product: Professional and Business Services (NAICS 54, 55, 56) in Connecticut - last updated from the United States Federal Reserve on March of 2024.