According to our records, this business is located at 218 W Madison St. in Ottawa (in La Salle County), Illinois 61350, the location GPS coordinates are: 41.3468486 (latitude), -88.8434108 (longitude). Dui Assements and Services is categorized under Social Service and Welfare Organizations (SIC code 8322). Known organization president is Jean Witney. You can contact the company by phone at (815) 433-4025.