All Employees: Professional and Business Services: Architectural, Engineering, and Related Services in Maryland was 40.36467 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, All Employees: Professional and Business Services: Architectural, Engineering, and Related Services in Maryland reached a record high of 42.87574 in January of 2020 and a record low of 23.51957 in July of 1993. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Professional and Business Services: Architectural, Engineering, and Related Services in Maryland - last updated from the United States Federal Reserve on March of 2024.