All Employees: Scientific Research and Development Services in Maryland was 41.00000 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, All Employees: Scientific Research and Development Services in Maryland reached a record high of 41.00000 in January of 2023 and a record low of 19.20000 in January of 1990. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Scientific Research and Development Services in Maryland - last updated from the United States Federal Reserve on April of 2024.