2022 NAICS national industry in sector 92 Public Administration
922120 Police Protection
NAICS 922120 is the US industry code for police protection. It covers 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.
- Code
- 922120 (2022 NAICS)
- Title
- Police Protection
- Part of
- Justice, Public Order, and Safety Activities
- SBA small business limit
- No SBA size standard is listed for this code.
- Closest UK SIC
- 84230 (details)
Changes coming. The NAICS 2027 revision applies to data from 1 January 2027, and SBA proposed new size standards on 20 August 2026. The values on this page are the ones in force today; we update this page when the official files change.
Official definition
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.
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Government establishments primarily engaged in prosecution are classified in Industry 922130, Legal Counsel and Prosecution.
- Government establishments primarily engaged in collection of law enforcement statistics are classified in Industry 922190, Other Justice, Public Order, and Safety Activities.
- Government establishments primarily engaged in providing police service for the military or National Guard are classified in Industry 928110, National Security.
- Government establishments primarily engaged in providing police service for tribal governments are classified in Industry 921150, American Indian and Alaska Native Tribal Governments.
- Government establishments primarily engaged in enforcing immigration laws are classified in Industry 928120, International Affairs.
- Sheriffs' offices conducting court functions only are classified in Industry 922110, Courts.
- Private establishments primarily engaged in providing security, police, and investigation services are classified in Industry 56161, Investigation, Guard, and Armored Car Services.
Activities listed under 922120
The Census index assigns these 16 activities to this code. If your business matches one, this is your code.
- Alcohol, tobacco, and firearms control
- Criminal investigation offices, government
- DEA (Drug Enforcement Administration)
- Drug enforcement agencies and offices
- Federal Bureau of Investigation (FBI)
- Federal police services
- Highway patrols, police
- Housing police, government
- Marshals' offices
- Park police
- Police academies
- Police and fire departments, combined
- Police departments (except American Indian or Alaska Native)
- Sheriffs' offices (except court functions only)
- State police
- Transit police
Closest UK SIC 2007 codes
There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 8423), so treat them as a starting point and check the definition.
Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.
Similar codes to compare
Data last changed November 14, 2026. How this page is built.