- Police Departments (290 agencies)
- County Jails (87 agencies)
- Sheriff Offices (87 agencies)
- Coroners (77 agencies)
- Campus Police (42 agencies)
- State Police Agencies (21 agencies)
- Parole & Probation (18 agencies)
- Federal Agencies (11 agencies)
- Adult Institutions (10 agencies)
- Ports of Entry (10 agencies)
- Tribal Police (9 agencies)
- Federal Corrections (4 agencies)
- Airport Police (4 agencies)
- National Parks (4 agencies)
- State Agencies (3 agencies)
- Probation & Pretrial Facilities (1 agencies)
- Transit Authority (1 agencies)
- Conservation Agencies (1 agencies)
- Military Police (1 agencies)
- Child Support Enforcement (1 agencies)
- Harbor Police (1 agencies)
