COVID-19 Alert: Facility Restrictions In Effect - No access to non-employees allowed
Tri-Com is the Division XIII headquarters of the Mutual Aid Box Alarm System, which began in 1968. There are currently 48 divisions throughout Illinois and 4 divisions in Wisconsin. As time goes on more divisions in these and other states are likely to form. MABAS allows Tri-Com to communicate with and receive assistance from many non-Tri-Com fire agencies during major incidents.