Peace Corps, the Chicago Teachers Union, and 'Intactivists' from the anti-circumcision movement, according to the Chicago Tribune RedEye. And look for floats representing the bars and businesses on Halsted Street, gay rights groups from all around the Chicago area, religious organizations, and an assortment of other local businesses.
In addition to the mayor and governor, an assortment of other elected officials – including aldermen, local elected officials, state lawmakers and members of Congress, will be participating.