Illinois Fraternal Order of Police Labor Council (Patrol Officers) May 1, 2022 - April 30, 2026 International Association of Firefighters AFL - CIO - CLC May 1, 2021 to April 30, 2025 International Union of Operating Engineers, Local 150 May 1, 2020 - April 30, 2025 International Union of Operating Engineers, Local 150 May 1, 2016 - April 30, 2020 Illinois Fraternal Order of Police Labor Council (Patrol Officers) May 1, 2017 to April 30, 2022 International Association of Fire Fighers AFL - CIO - CLC May 1, 2017 to April 30, 2021 International Association of FIre Fighters AFL-CIO-CLC May 1, 2014 to April 30, 2017 Illinois Fraternal Order of Police Labor Council (Patrol Officers) May 1, 2014 to April 30, 2017 Illinois Fraternal Order of Police Labor Council (Telecommunicators) August 26, 2013 to April 30, 2017 International Union of Operating Engineers, Local 150 May 1, 2013 to April 30, 2016 International Union of Operating Engineers, Local 150 2011 Contract Amendment Illinois Fraternal Order of Police Labor Council (Patrol Officers) May 1, 2011 to April 30, 2014 International Union of Operating Engineers, Local 150 May 1, 2010 - April 30, 2013 International Association of Fire Fighters AFL-CIO-CLC May 1, 2009 to April 30, 2014