NAICS REFERENCE

NAICS 561612: Security Guards & Patrol

Security guards and patrol services covers providing guard, patrol, and protective services for people, property, or facilities.

NAICS VERIFIED 2026-06-10 CODE 561612

DIRECT ANSWER

What is NAICS 561612?

NAICS 561612, Security Guards & Patrol, is a security services classification. Contractors can use it to filter relevant federal awards, then check scope, incumbent, agency, timing, and public notices before treating an expiring award as a credible recompete.

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What This Code Covers

Security guards and patrol services covers providing guard, patrol, and protective services for people, property, or facilities.

Use the code as a starting point for scope review. The contract statement of work, buyer office, vehicle, incumbent, and timing still decide whether an opportunity fits.

Armed or unarmed guard services
Common work pattern for Security Guards & Patrol.
Patrol services
Common work pattern for Security Guards & Patrol.
Access control staffing
Common work pattern for Security Guards & Patrol.
Facility security support
Common work pattern for Security Guards & Patrol.

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What This Code Usually Does Not Cover

Adjacent codes matter because a saved search can miss good work or create noise when the scope is classified differently.

Adjacent distinction
Security systems installation or monitoring belongs closer to 561621.
Adjacent distinction
Cybersecurity work usually belongs under IT-related codes.

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Federal Contracting Context

Security services requirements should be reviewed against agency fit, place of performance, incumbent history, set-aside context, and the current award period.

Prime Leads treats NAICS as a filter, not a guarantee. A stronger read pairs the code with contract cliff timing and public procurement motion such as Sources Sought notices or RFIs.

Why prioritized
Named in the first Hyperagent NAICS batch as a physical security service lane.
Demand signal
Guard and patrol requirements are often recurring service contracts with clear incumbent and recompete patterns.
Monitoring note
Track active awards under this code, then qualify each one with timing evidence and source context.

FAQ

Questions before you act on the signal.

What does NAICS 561612 mean?

It means Security Guards & Patrol. The code classifies a broad type of work, but the scope and contract documents decide whether it is the right fit.

What kinds of federal contracts use NAICS 561612?

Contracts that primarily match security services work may use this code, especially when the scope includes armed or unarmed guard services or patrol services.

How can I monitor recompetes for NAICS 561612?

Track active awards in the code, watch period-of-performance cliffs, compare incumbent and scope history, and look for Sources Sought, RFI, forecast, or modification signals.