What is NAICS code 561210?

NAICS 561210 is the industry "Facilities Support 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 561210?

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 561210 in the SBA table of size standards on sba.gov; it changes from time to time.

NAICS Code 561210: Facilities Support Services

NAICS code 561210 is the industry for facilities support 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 561210

Federal agencies obligated $112B on contracts under NAICS 561210 from FY2024 to FY2026, including $37.7B in FY2026. The biggest buyers were the Department of Energy, the Department of Defense, the Department of State. The largest contractors were National Technology & Engineering Solutions of Sandia, LLC, Triad National Security, LLC, Consolidated Nuclear Security, LLC.

See the full breakdown: government facilities maintenance contracts, who wins and who buys.

Open government bids for NAICS 561210

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

Spaceport Infrastructure Maintenance and Operations (SIMO)
National Aeronautics and Space Administration · Sources Sought · NAICS 561210 · FL · No Set aside used
Posted Oct 30, 2026 · Responses due Dec 7, 2026
N6247826R2431 FACILITIES AND LIGHTING MAINTENANCE SERVICES at Joint Base Pearl Harbor Hickam, Oahu, Hawaii
Dept of Defense · Solicitation · NAICS 561210 · 8(a) Set-Aside (FAR 19.8)
Posted Oct 30, 2026 · Responses due Nov 10, 2026
Preventive Maintenance and Repair Services - Kahuku Training Area (KTA)
Dept of Defense · Combined Synopsis/Solicitation · NAICS 561210 · HI · Small Business Set Aside - Total
Posted Oct 30, 2026 · Responses due Dec 1, 2026
RANGE MAINTENANCE AND REPAIR SUPPORT
Dept of Defense · Solicitation · NAICS 561210 · NC · Small Business Set Aside - Total
Posted Oct 30, 2026 · Responses due Nov 30, 2026
J041--RFQ SDVOSB Set-Aside CHILLER TUBE CLEANING SERVICES
Veterans Affairs, Department of · Combined Synopsis/Solicitation · NAICS 561210 · Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14)
Posted Oct 30, 2026 · Responses due Nov 27, 2026

See all 10 open bids under NAICS 561210

Small business size standard for NAICS 561210

To bid on small business set-aside contracts under NAICS 561210, 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 561210?: NAICS 561210 is the industry "Facilities Support 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 561210?: 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 561210 in the SBA table of size standards on sba.gov; it changes from time to time.
Are there government contracts for NAICS 561210?: Yes. Federal agencies obligated $112B on contracts under NAICS 561210 from FY2024 to FY2026, and 10 notices are open right now.