NAICS 2022 nationalIndustry USA Verified: Census NAICS 2022 · 2026-01-01
561612
NAICS 561612 — Security Guards and Patrol Services
Security Guards and Patrol Services
NAICS 561612 is the national industry code for security guards and patrol services establishments in the United States. The Small Business Administration sets a size standard of $29.0 for this classification. It forms part of the hierarchical North American Industry Classification System maintained by the Census Bureau.
SBA: $29.0
View full SBA standard
Related industries in 56161 (Investigation, Guard, and Armored Car Services)
View parent 56161Exclusions & Cross-References
Activities classified under other official NAICS codes:
- selling, installing, monitoring and maintaining security systems and devices, such as burglar and fire systems (See 561621 Security systems services (except locksmiths) (US))
Official Illustrative Examples
Primary activities officially recognized by Census Bureau / Statistics Canada:
body guard services guard dog services personal protection services
Complete Index of Activities (6 recognized activities) ▼
body guard services
body, luggage or cargo search services
corps of commissionaires
guard and security patrol services
guard dog services
personal protection services
Official data
| Feature | Description |
|---|---|
| Official name | North American Industry Classification System (NAICS) 2022 |
| Issuing authority | U.S. Census Bureau with OMB, Statistics Canada, and INEGI |
| Tax authority | Internal Revenue Service (IRS) |
| Purpose | Statistical business classification and federal contracting (SAM.gov, SBA standards) |
| Used in | SAM.gov registration, SBA size determinations, IRS tax classification, SEC EDGAR (via SIC crosswalk) |
| Active since | 2022 (current edition) |
| Hierarchy level | Sector (2-digit) |
| Source | https://www.census.gov/naics/ |
NAICS hierarchy path
Trace the classification from the broadest sector down to this national industry code.
Cross-references & crosswalks
SBA size standard description
Security Guards and Patrol Services
Changes to receipts-based standard: [object Object]