All Employees: Professional, Scientific, and Technical Services in Maryland was 278.20000 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, All Employees: Professional, Scientific, and Technical Services in Maryland reached a record high of 278.20000 in January of 2023 and a record low of 143.50000 in January of 1990. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Professional, Scientific, and Technical Services in Maryland - last updated from the United States Federal Reserve on April of 2024.