Peoples Gas Company Building (Source: chicagoarchitecture.info) Environmental, Law and Order, Park Forest Attorney General Madigan Files Lawsuit Against Peoples Gas Over Natural Gas Leak by eNews Park Forest on October 21, 2017 eNews Park Forest Author More in Environmental: People Outside Will Be Injured: Severe Thunderstorms Strike Park Forest March 31, 2026 Park Forest Officials Urge Residents to Protect Pipes as Coldest Air of the Season Continues December 14, 2025 Park Forest Workshops Join Global Effort to Prevent Bird Collisions August 21, 2025 Peoples Gas Company Building (Source: chicagoarchitecture.info)