All Employees: Specialized Design Services in Illinois was 6.70000 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, All Employees: Specialized Design Services in Illinois reached a record high of 8.50000 in January of 1996 and a record low of 6.30000 in January of 1991. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Specialized Design Services in Illinois - last updated from the United States Federal Reserve on March of 2024.