All Employees: Professional and Business Services in Massachusetts was 605.40000 Thous. of Persons in January of 2021, according to the United States Federal Reserve. Historically, All Employees: Professional and Business Services in Massachusetts reached a record high of 605.40000 in January of 2021 and a record low of 325.00000 in January of 1991. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Professional and Business Services in Massachusetts - last updated from the United States Federal Reserve on March of 2024.