All Employees: Professional and Business Services: Professional, Scientific, and Technical Services in Maryland was 274.90000 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, All Employees: Professional and Business Services: Professional, Scientific, and Technical Services in Maryland reached a record high of 280.00000 in September of 2023 and a record low of 140.10000 in January of 1990. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Professional and Business Services: Professional, Scientific, and Technical Services in Maryland - last updated from the United States Federal Reserve on March of 2024.