| Name |
County |
| Newton Police Department |
Jasper County |
| Niles Police Department |
Cook County |
| Nokomis Police Department |
Montgomery County |
| Normal Police Department |
McLean County |
| Norridge Police Department |
Cook County |
| North Aurora Police Department |
Kane County |
| North Chicago Police Department |
Lake County |
| North Pekin Police Department |
Tazewell County |
| North Riverside Police Department |
Cook County |
| Northbrook Police Department |
Cook County |
| Northern Illinois University Police Department |
DeKalb County |
| Northfield Police Department |
Cook County |
| Northlake Police Department |
Cook County |
| Northwestern University Police Department of Safety and Security |
Cook County |
| Oak Brook Police Department |
DuPage County |
| Oak Forest Police Department |
Cook County |
| Oak Lawn Police Department |
Cook County |
| Oak Park Police Department |
Cook County |
| Oakwood Police Department |
Vermilion County |
| Oblong Police Department |
Crawford County |
| O'Fallon Police Department |
St. Clair County |
| O'Fallon Police Department |
St. Clair County |
| Ogle County Sheriff's Office |
Ogle County |
| Oglesby Police Department |
LaSalle County |
| Okawville Police Department |
Washington County |
| Olmsted Police Department |
Pulaski County |
| Olney Police Department |
Richland County |
| Olympia Fields Police Department |
Cook County |
| Oregon Police Department |
Ogle County |
| Orland Hills Police Department |
Cook County |
| Orland Park Police Department |
Cook County |
| Oswego Police Department |
Kendall County |
| Ottawa Police Department |
LaSalle County |
| Palestine Police Department |
Crawford County |
| Palmyra Police Department |
Macoupin County |
| Palos Heights Police Department |
Cook County |
| Palos Hills Police Dept |
Cook County |
| Palos Park Police Department |
Cook County |
| Pana Police Department |
Christian County |
| Paris Police Department |
Edgar County |
| Park City Police Department |
Lake County |
| Park Forest Police Department |
Cook County |
| Park Ridge Police Department |
Cook County |
| Pawnee Police Department |
Sangamon County |
| Pecatonica Police Department |
Winnebago County |
| Pekin Police Department |
Tazewell County |
| Peoria County Sheriff's Office |
Peoria County |
| Peoria Heights Police Department |
Peoria County |
| Peoria Police Department Headquarters |
Peoria County |
| Peotone Police Department |
Will County |
| Percy Police Department |
Randolph County |
| Perry County Sheriff's Office |
Perry County |
| Peru Police Department |
LaSalle County |
| Petersburg Police Department |
Menard County |
| Phoenix Police Department |
Cook County |
| Piatt County Jail |
Piatt County |
| Piatt County Sheriff's Office |
Piatt County |
| Pike County Sheriff's Office |
Pike County |
| Pike County Sheriff's Office - Barry Station |
Pike County |
| Pinckneyville Police Department |
Perry County |
| Pittsfield Police Department |
Pike County |
| Plainfield Police Department |
Will County |
| Plano Police Department |
Kendall County |
| Pleasant Plains Police Department |
Sangamon County |
| Polo Police Department |
Ogle County |
| Pontiac Police Department |
Livingston County |
| Pontoon Beach Police Department |
Madison County |
| Pope County Sheriff's Office |
Pope County |
| Posen Village Police Department |
Cook County |
| Prairie Grove Police Department |
McHenry County |
| Princeton Police Department |
Bureau County |
| Prophetstown Police Department |
Whiteside County |
| Prospect Heights Police Department |
Cook County |
| Pulaski County Sheriff's Office |
Pulaski County |
| Putnam County Sheriff's Office |
Putnam County |
