I don't know if any of this will help, but here are some links you might try....
Illinois
AA Meeting Locator
Illinois A.A. Meetings
NA Meeting Locator
NA Meeting Locator
Rescue Missions
AGRM Member Missions Helping the Homeless and Needy in Illinois
Low Cost/No Cost Treatment
Drug Treatment Centers
Halfway Houses
AHHAP Agency Directory: Illinois
SAMHSA Treatment Locator
Substance Abuse Treatment Facility Locator
Department of Human Services
DHS: Alcoholism & Substance Abuse
Good luck