Knowledge ForceWrite a Review312-917-3241Be the first to review!20 N Wacker Dr, Chicago, IL 60606Hi there!Be the first to review!5First-class4Better than most3About what I expected2Not the worst...1DisappointingClick to RateMore Business InfoHoursDo you know the hours for this business?LocationCivic Opera BldgCategoryEmployment Agencies Suggest an Edit