- Police Departments (233 agencies)
- County Jails (96 agencies)
- Sheriff Offices (95 agencies)
- Coroners (93 agencies)
- Parole & Probation (47 agencies)
- Campus Police (41 agencies)
- State Police Agencies (41 agencies)
- Adult Institutions (31 agencies)
- Federal Agencies (20 agencies)
- Youth Institutions (11 agencies)
- National Parks (7 agencies)
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- Military Police (6 agencies)
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- State Agencies (4 agencies)
- Ports of Entry (4 agencies)
- Transit Authority (1 agencies)
- Tribal Police (1 agencies)
- Child Support Enforcement (1 agencies)
- Conservation Agencies (1 agencies)
- Federal Corrections (1 agencies)
