561612 — Security Guards and Patrol Services
Description
This U.S. industry comprises establishments primarily engaged in providing guard and patrol services, such as bodyguard, guard dog, and parking security services.
Exclusions & Cross-References
- 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; and
- 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.
Overview Facts
| NAICS Code | 561612 |
|---|---|
| Industry Title | Security Guards and Patrol Services |
| SBA Size Standard | $29,000,000 |
| U.S. Establishments | 11,104 (Census CBP, 2023) |
| IRS PBA Code | 561600 (rolled-up match) |
| Sectors Hierarchy | Sector 56 → 561 → 5616 |
| Source / Verified | US Census 2022 NAICS Manual, Census CBP / 2026-06-28 |
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 7381 - Detective, Guard, and Armored Car Services (via SIC1987:7381→NAICS1997:561612→2002:561612→2007:561612→2012:561612→2017:561612→2022:561612)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC R430 — SUPPORT- PROFESSIONAL: PHYSICAL SECURITY AND BADGING
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 561612:
- Sector 56 Directory Hub — List of related industries in the Administrative and Support and Waste Management and Remediation Services sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.
Related Industries in 5616
Frequently Asked Questions (FAQ)
Is 561612 a valid 2022 NAICS code?
NAICS 561612 is 'Security Guards and Patrol Services', a 2022 U.S. national industry under Sector 56 (Administrative and Support and Waste Management and Remediation Services); the SBA small-business size standard is $29,000,000.
What is the SBA size standard for NAICS 561612?
The SBA small business size standard for NAICS 561612 is $29,000,000 (based on receipts).
What is the legacy SIC code mapping for 561612?
NAICS code 561612 maps to the legacy 1987 SIC codes: 7381 - Detective, Guard, and Armored Car Services.