All Employees: Professional and Business Services: Travel Arrangement and Reservation Services in Illinois was 5.20000 Thous. of Persons in March of 2022, according to the United States Federal Reserve. Historically, All Employees: Professional and Business Services: Travel Arrangement and Reservation Services in Illinois reached a record high of 15.80000 in August of 1998 and a record low of 4.40000 in January of 2021. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Professional and Business Services: Travel Arrangement and Reservation Services in Illinois - last updated from the United States Federal Reserve on April of 2024.