List of Lockport City, Illinois Police Department
Lockport Police Department
Illinois State Police - District 5
Lockport Township Park District Police
Police Department near Lockport
- Aurora
- Bolingbrook
- Channahon
- Clarendon Hills
- Crest Hill
- Darien
- Downers Grove
- Elwood
- Frankfort
- Hickory Hills
- Joliet
- Justice
- Lemont
- Lisle
- Lockport
- Manhattan
- Minooka
- Mokena
- Naperville
- New Lenox
- Oak Forest
- Orland Park
- Palos Heights
- Palos Hills
- Palos Park
- Plainfield
- Romeoville
- Shorewood
- Tinley Park
- Westmont
- Willow Springs
- Willowbrook
- Woodridge
- Worth