Gross Domestic Product: Professional and Business Services (NAICS 54, 55, 56) in Montana was 5810.80000 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 Montana reached a record high of 5810.80000 in January of 2022 and a record low of 1171.40000 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 Montana - last updated from the United States Federal Reserve on April of 2024.