Gross Domestic Product: Primary Metal Manufacturing (NAICS 331) in Maryland was 147.70000 Mil. of $ in January of 2022, according to the United States Federal Reserve. Historically, Gross Domestic Product: Primary Metal Manufacturing (NAICS 331) in Maryland reached a record high of 1054.00000 in January of 1997 and a record low of 59.10000 in January of 2013. Trading Economics provides the current actual value, an historical data chart and related indicators for Gross Domestic Product: Primary Metal Manufacturing (NAICS 331) in Maryland - last updated from the United States Federal Reserve on April of 2024.