Today MABAS-IL includes approximately 1,000 of the states 1,200 fire departments organized within 67 divisions. MABAS-IL divisions geographically span an area from Lake Michigan to Iowa's border and south almost into Kentucky. Twelve Wisconsin divisions also share MABAS with their Illinois counterparts. The cities of Chicago, St. Louis, and Milwaukee are also MABAS member agencies. MABAS has also expanded into Indiana and Michigan.