- Police Departments (169 agencies)
- Campus Police (42 agencies)
- Coroners (39 agencies)
- County Jails (39 agencies)
- Sheriff Offices (39 agencies)
- Federal Agencies (32 agencies)
- Tribal Police (24 agencies)
- Adult Institutions (22 agencies)
- State Police Agencies (18 agencies)
- Ports of Entry (14 agencies)
- Military Police (13 agencies)
- Youth Institutions (11 agencies)
- National Parks (9 agencies)
- Probation & Pretrial Facilities (6 agencies)
- Airport Police (5 agencies)
- State Agencies (3 agencies)
- Harbor Police (2 agencies)
- Child Support Enforcement (1 agencies)
- Federal Corrections (1 agencies)
- Conservation Agencies (1 agencies)
