This from Brad Steinweg:

Just wanted to share some updates regarding the frequencies on the site for MABAS 24. Glenwood, Homewood, Riverdale, South Holland, Flossmoor & Hazel Crest are now under E-COM which is 151.430. 153.890 is still utilized by Lansing, Lynwood, Munster, Thornton, East Hazel Crest, Harvey, Phoenis, Dolton, Tinley Park, CC Hills, Burnham & Markham. Oak Forest uses 159.045. 153.830 serves as the Red fireground for the entire division.
–Brad S.
Glenwood FD