2022 NAICS national industry in sector 56 Administrative and Support and Waste Management and Remediation Services
561612 Security Guards and Patrol Services
NAICS 561612 is the US industry code for security guards and patrol services. This U.S.
- Code
- 561612 (2022 NAICS)
- Title
- Security Guards and Patrol Services
- Part of
- Investigation, Guard, and Armored Car Services
- SBA small business limit
- Average annual receipts up to $29 million
- Closest UK SIC
- 80100 (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 U.S. industry comprises establishments primarily engaged in providing guard and patrol services, such as bodyguard, guard dog, and parking security services.
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Establishments primarily engaged in picking up and delivering money, receipts, or other valuable items are classified in U.S. Industry 561613, Armored Car Services.
- Establishments primarily engaged in selling, installing, monitoring, and maintaining security systems and devices, such as burglar and fire alarms and locking devices, are classified in Industry 56162, Security Systems Services.
- Government establishments primarily engaged in criminal and civil law enforcement, police, traffic safety, and similar activities related to the enforcement of law are classified in Industry 922120, Police Protection.
Businesses that use this code
Activities listed under 561612
The Census index assigns these 12 activities to this code. If your business matches one, this is your code.
- Body guard services
- Guard dog services
- Guard services
- Parking security services
- Patrol services, security
- Personal protection services (except security systems services)
- Private police services
- Property protection services (except armored car, security systems)
- Protection services (except armored car, security systems), personal or property
- Protective guard services
- Security guard services
- Security patrol services
SBA size standard for 561612
To count as a small business for SBA loans and federal contracts under NAICS 561612, your business (including affiliates) must not exceed $29 million in average annual receipts. Check your business.
Source: SBA table of size standards, effective March 17, 2023.
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: 8010), 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.