| Name |
County |
| Marion Police Department |
Williamson County |
| Marissa Police Department |
St. Clair County |
| Markham City Police Department |
Cook County |
| Maroa Police Department |
Macon County |
| Marseilles City Police Department |
LaSalle County |
| Marshall County Sheriff's Office |
Marshall County |
| Marshall Police Department |
Clark County |
| Maryville Police Department |
Madison County |
| Mascoutah Police Department |
St. Clair County |
| Mason County Sheriff's Office |
Mason County |
| Mason Police Department |
Mason County |
| Massac County Sheriff's Office |
Massac County |
| Matteson Police Department |
Cook County |
| Mattoon Police Department |
Coles County |
| Maywood Police Department |
Cook County |
| Mazon Police Department |
Grundy County |
| McCook Police Department |
Cook County |
| McCullom Lake Police Department |
McHenry County |
| McDonough County Sheriff's Office |
McDonough County |
| McHenry City Police Department |
McHenry County |
| McHenry County Sheriff's Office |
McHenry County |
| McLean County Sheriff's Office |
McLean County |
| McLeansboro Police Department |
Hamilton County |
| McNabb Police Department |
Putnam County |
| Medina Township Police Department |
Peoria County |
| Medora Police Department |
Macoupin County |
| Melrose Park Police Department |
Cook County |
| Menard County Sheriff's Office |
Menard County |
| Mendota Police Department |
LaSalle County |
| Mercer County Sheriff's Office |
Mercer County |
| Merrionette Park Police Station |
Cook County |
| Metamora Township Police Department |
Woodford County |
| Metropolis Police Department |
Massac County |
| Midlothian Village Police Department |
Cook County |
| Milan Police Department |
Rock Island County |
| Milledgeville Police Department |
Carroll County |
| Minonk Police Department |
Woodford County |
| Minooka Police Department |
Grundy County |
| Mokena Police Department |
Will County |
| Moline Police Department |
Rock Island County |
| Momence Police Department |
Kankakee County |
| Monee Police Department |
Will County |
| Monmouth Police Department |
Warren County |
| Monroe County Sheriff?s Office |
Monroe County |
| Montgomery County Sheriff's Office |
Montgomery County |
| Montgomery Police Department |
Kane County |
| Monticello Police Department |
Piatt County |
| Morgan County Sheriff's Office |
Morgan County |
| Morris Police Department |
Grundy County |
| Morrison Police Department |
Whiteside County |
| Morton Grove Police Department |
Cook County |
| Morton Police Department |
Tazewell County |
| Moultrie County Sheriff's Office |
Moultrie County |
| Mounds Police Department |
Pulaski County |
| Mount Carroll Police Department |
Carroll County |
| Mount Morris Police Department |
Ogle County |
| Mount Olive Police Department |
Macoupin County |
| Mount Prospect Police Department |
Cook County |
| Mount Pulaski Police Department |
Logan County |
| Mount Sterling Police Department |
Brown County |
| Mount Vernon Police Department |
Jefferson County |
| Mount Zion Police Department |
Macon County |
| Moweaqua Police Department |
Shelby County |
| Mundelein Police Department |
Lake County |
| Murphysboro Police Department |
Jackson County |
| Naperville Police Department |
DuPage County |
| Nashville Police Department |
Washington County |
| Nauvoo Police Department |
Hancock County |
| Neoga Police Department |
Cumberland County |
| Neponset Village Police Department |
Bureau County |
| New Athens Police Department |
St. Clair County |
| New Baden Police Department |
Clinton County |
| New Berlin Police Department |
Sangamon County |
| New Boston Police Department |
Mercer County |
| New Lenox Police Department |
Will County |
