The Electronic Documents of Illinois provides permanent public access to official publications of the State of Illinois which have been deposited in electronic form.
Illinois Commerce Commission On Its Own Motion -vs- Northern Illinois Gas Company d/b/a Nicor Gas Company: Reconciliation of revenues collected under gas adjustment charges with actual costs prudently incurred.
Central Management Services - Bureau of Communication and Computer Services (BCCS) Service Organization Control Report for the Year Ended June 30, 2016
Illinois Commerce Commission On Its Own Motion -vs- Northern Illinois Gas Company d/b/a Nicor Gas Company: Reconciliation of revenues collected under gas adjustment charges with actual costs prudently incurred.