The Detective Bureau works closely and in conjunction with:
- City of Elizabeth Fire Department
- City of Elizabeth Licensing Department
- The Department of Homeland Security
- The Federal Bureau of Investigation
- Middle Atlantic Great-Lakes Organized Crime Law Enforcement Network (MAGLOCLIN)
- New Jersey State Police Missing Person Unit
- New Jersey State Police Regional Operations and Intelligence Center
- Union County Police Ballistics Unit
- The Union County Prosecutor’s Office
- Union County Sheriff’s Department
- The United States Secret Service