- Police Departments (249 agencies)
- Sheriff Offices (64 agencies)
- County Jails (64 agencies)
- Coroners (64 agencies)
- Campus Police (28 agencies)
- State Police Agencies (22 agencies)
- Federal Agencies (18 agencies)
- Adult Institutions (9 agencies)
- Airport Police (7 agencies)
- Probation & Pretrial Facilities (7 agencies)
- Ports of Entry (6 agencies)
- Military Police (4 agencies)
- State Agencies (4 agencies)
- Federal Corrections (3 agencies)
- Tribal Police (3 agencies)
- National Parks (2 agencies)
- Youth Institutions (2 agencies)
- Conservation Agencies (1 agencies)
- Parole & Probation (1 agencies)
- Harbor Police (1 agencies)
- Child Support Enforcement (1 agencies)
