What is NAICS code 561612?

NAICS 561612 is the industry "Security Guards and Patrol Services" in the North American Industry Classification System, part of the Administrative and Support and Waste Management and Remediation Services sector (56).

What is the size standard for NAICS 561612?

The SBA sets a small business size standard for each NAICS code, either average annual receipts or number of employees. Check the current value for 561612 in the SBA table of size standards on sba.gov; it changes from time to time.

NAICS Code 561612: Security Guards and Patrol Services

NAICS code 561612 is the industry for security guards and patrol services in the Administrative and Support and Waste Management and Remediation Services sector. Agencies tag every federal contract with a NAICS code, so this is the code to list in your SAM.gov registration and to search for bids.

Government contracts under NAICS 561612

Federal agencies obligated $19B on contracts under NAICS 561612 from FY2024 to FY2026, including $7.4B in FY2026. The biggest buyers were the Department of Homeland Security, the Department of State, the Department of Justice. The largest contractors were Metropolitan Security Services, Inc., Paragon Systems Inc, The Geo Group, Inc..

See the full breakdown: government security guard contracts, who wins and who buys.

Open government bids for NAICS 561612

The newest open notices from SAM.gov. Bidding needs a free SAM.gov registration.

Information Monitoring and Protection Services
Dept of Defense · Solicitation · NAICS 561612 · FL · Small Business Set Aside - Total
Posted Oct 29, 2026 · Responses due Nov 23, 2026
AMENDMENT 0003 _Sol_70FBR427R00000001 Level II Armed Guard Security ServicesClosing soon
Homeland Security, Department of · Solicitation · NAICS 561612 · FL · Small Business Set Aside - Total
Posted Oct 29, 2026 · Responses due Nov 4, 2026

See all 2 open bids under NAICS 561612

Small business size standard for NAICS 561612

To bid on small business set-aside contracts under NAICS 561612, your business must be small under the SBA size standard for this code, measured either by average annual receipts or by number of employees. The values are updated periodically, so check the current SBA table of size standards before you bid.

Other NAICS codes in 5616

How to choose the right NAICS code

Pick the 6-digit code that best describes what you sell. List it as your primary code in SAM.gov, and add other codes for related work. Agencies choose one NAICS code for each contract, so check the codes on past awards for the kind of work you do. Search all codes in the NAICS code lookup.

Related guides

Frequently asked questions

What is NAICS code 561612?: NAICS 561612 is the industry "Security Guards and Patrol Services" in the North American Industry Classification System, part of the Administrative and Support and Waste Management and Remediation Services sector (56).
What is the size standard for NAICS 561612?: The SBA sets a small business size standard for each NAICS code, either average annual receipts or number of employees. Check the current value for 561612 in the SBA table of size standards on sba.gov; it changes from time to time.
Are there government contracts for NAICS 561612?: Yes. Federal agencies obligated $19B on contracts under NAICS 561612 from FY2024 to FY2026, and 2 notices are open right now.