NAICS 922120:
Police Protection
This industry comprises government establishments primarily engaged in criminal and civil law enforcement, police, traffic safety, and other activities related to the enforcement of the law and preservation of order. Combined police and fire departments are included in this industry.
Park policeState policeTransit police+5 examples
Police academiesMarshals' officesFederal police servicesDEA (Drug Enforcement Administration)Drug enforcement agencies and offices
Matching SIC code: 9221 Police Protection
Where it sits
Largest companies with NAICS 922120
Updated Nov 9, 2026| Rank | Company | Headquarters | Employees |
|---|---|---|---|
| 1 |  Federal Bureau of Investigation (FBI)fbi.gov | Washington, US | 11K |
| 2 |  LAPDlapdonline.org | Los Angeles, US | 3.9K |
| 3 |  Drug Enforcement Administrationdea.gov | Springfield, US | 3.4K |
| 4 |  Broward Sheriff's Office (BSO)sheriff.org | Fort Lauderdale, US | 2.7K |
| 5 |  U.S. Secret Servicesecretservice.gov | Washington, US | 2.6K |
| 6 |  California Highway Patrolca.gov | Sacramento, US | 2.2K |
| 7 |  ATFatf.gov | Washington, US | 2.2K |
| 8 |  Sheriff's Officepascosheriff.com | New Port Richey, US | 1.9K |
| 9 |  Cook County Sheriff's Officecookcountysheriffil.gov | Chicago, US | 1.8K |
| 10 |  Miami-Dade Sheriff's Officemiamidade.gov | Miami, US | 1.8K |
Not this code?
Similar activities the Census classifies elsewhere.
- 928110National SecurityGovernment establishments primarily engaged in providing police service for the military or National Guard
- 921150American Indian and Alaska Native Tribal GovernmentsGovernment establishments primarily engaged in providing police service for tribal governments
- 928120International AffairsGovernment establishments primarily engaged in enforcing immigration laws
- 56161Investigation, Guard, and Armored Car ServicesPrivate establishments primarily engaged in providing security, police, and investigation services
Questions about NAICS 922120
Which businesses use NAICS 922120?
Park police, state police and transit police, and similar businesses in the Public Administration sector. This industry comprises government establishments primarily engaged in criminal and civil law enforcement, police, traffic safety, and other activities related to the enforcement of the law and preservation of order.
What SIC code matches NAICS 922120?
SIC 9221, Police Protection, from the US Census Bureau's concordance between the two systems.
How many companies have NAICS 922120?
5,660 companies with a website carry NAICS 922120 as their primary code in Crustdata's data, worldwide.
Find any company's NAICS codeType a company name or website and get its codes with their titles.
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Sign up freeCode titles, definitions, examples and SIC matches: NAICS 2022 and the Census concordances, US Census Bureau. Company counts and lists: Crustdata, companies with a website, each by its primary code, updated weekly. Employee counts are estimates.