- Police Departments (79 agencies)
- Federal Agencies (30 agencies)
- Campus Police (23 agencies)
- Tribal Police (21 agencies)
- National Parks (19 agencies)
- County Jails (19 agencies)
- Parole & Probation (16 agencies)
- Coroners (15 agencies)
- State Police Agencies (15 agencies)
- Sheriff Offices (15 agencies)
- Adult Institutions (11 agencies)
- Ports of Entry (8 agencies)
- Military Police (7 agencies)
- State Agencies (5 agencies)
- Probation & Pretrial Facilities (3 agencies)
- Federal Corrections (3 agencies)
- Airport Police (3 agencies)
- Youth Institutions (1 agencies)
- Child Support Enforcement (1 agencies)
- Conservation Agencies (1 agencies)
- Railroad Police (1 agencies)
- Transit Authority (1 agencies)
