Gross Domestic Product: Professional and Business Services (NAICS 54, 55, 56) in California was 541075.50000 Mil. of $ in January of 2023, according to the United States Federal Reserve. Historically, Gross Domestic Product: Professional and Business Services (NAICS 54, 55, 56) in California reached a record high of 541075.50000 in January of 2023 and a record low of 125666.90000 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 California - last updated from the United States Federal Reserve on April of 2024.