NAICS Code 561210 — Facilities Support Services

National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is the only national industry under 56121 (Facilities Support Services).

Code	561210
Title	Facilities Support Services
Level	National Industry (6-digit)
Edition	NAICS 2022 edition
SBA size standard	$47 million in average annual receipts (SBA footnote 12)

Official definition (2022 NAICS)

This industry comprises establishments primarily engaged in providing operating staff to perform a combination of support services within a client's facilities. Establishments in this industry typically provide a combination of services, such as janitorial, maintenance, trash disposal, guard and security, mail routing, reception, laundry, and related services to support operations within facilities. These establishments provide operating staff to carry out these support activities, but are not involved with or responsible for the core business or activities of the client. Establishments providing facilities (except computer and/or data processing) operation support services and establishments providing private jail services or operating correctional facilities (i.e., jails) on a contract or fee basis are included in this industry.

Cross-References.

Is a business under 561210 "small"?

Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 561210 qualifies as a small business if it does not exceed $47 million in average annual receipts. Small-business status determines eligibility for federal set-aside contracts, SAM.gov certifications and SBA loan programs — receipts are averaged over the latest 5 fiscal years.

This industry is subject to SBA footnote 12, which may add exceptions or special measurement rules — check the official SBA size standards table for the full text.

Where 561210 sits in the hierarchy

Level	Code	Title
Sector	56	Administrative and Support and Waste Management and Remediation Services
Subsector	561	Administrative and Support Services
Industry Group	5612	Facilities Support Services
NAICS Industry	56121	Facilities Support Services
National Industry	561210	Facilities Support Services

Related SIC codes

Via the official U.S. Census concordance (1987 SIC ↔ NAICS), shown only where the industry definition is unchanged in NAICS 2022.

SIC code	Title
8744	Facilities Support Management Services

Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.