All Employees: Professional and Business Services in Maryland was 472.80000 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, All Employees: Professional and Business Services in Maryland reached a record high of 481.10000 in September of 2023 and a record low of 250.90000 in July of 1991. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Professional and Business Services in Maryland - last updated from the United States Federal Reserve on March of 2024.