What is NAICS code 561110?

NAICS 561110 is the industry "Office Administrative 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 561110?

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 561110 in the SBA table of size standards on sba.gov; it changes from time to time.

NAICS Code 561110: Office Administrative Services

NAICS code 561110 is the industry for office administrative 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 561110

Federal agencies obligated $1.9B on contracts under NAICS 561110 from FY2024 to FY2026, including $453M in FY2026. The biggest buyers were the Department of Defense, the Department of Homeland Security, the National Aeronautics and Space Administration. The largest contractors were Itc Federal, LLC, Agile Decision Sciences, LLC, Kent Campa & Kate Inc.

See the full breakdown: government office administrative services contracts, who wins and who buys.

Open government bids for NAICS 561110

No open bids under NAICS 561110 right now. Check the open bids page, which is updated daily from SAM.gov.

Small business size standard for NAICS 561110

To bid on small business set-aside contracts under NAICS 561110, 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.

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 561110?: NAICS 561110 is the industry "Office Administrative 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 561110?: 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 561110 in the SBA table of size standards on sba.gov; it changes from time to time.
Are there government contracts for NAICS 561110?: Yes. Federal agencies obligated $1.9B on contracts under NAICS 561110 from FY2024 to FY2026.