All Employees: Professional and Business Services: Management of Companies and Enterprises in Illinois was 81.70000 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, All Employees: Professional and Business Services: Management of Companies and Enterprises in Illinois reached a record high of 96.20000 in November of 2012 and a record low of 67.10000 in October of 1996. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Professional and Business Services: Management of Companies and Enterprises in Illinois - last updated from the United States Federal Reserve on March of 2024.