561210 — Facilities Support Services
Description
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 (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Exclusions & Cross-References
- Establishments primarily engaged in providing only one of the support services (e.g., janitorial services)
- that establishments in this industry provide are classified in the appropriate industry according to the
- service provided;
- Establishments primarily engaged in providing management and operating staff for the complete operation
- of a client's establishment, such as a hotel, restaurant, mine, or hospital, are classified according to the
- industry of the establishment operated;
- Establishments primarily engaged in providing ambulatory health care services within a client's facilities
- are classified in Subsector 621, Ambulatory Health Care Services;
- Establishments primarily engaged in managing nonresidential property for others without providing
- operating staff are classified in U.S. Industry 531312, Nonresidential Property Managers;
- ADMINISTRATIVE AND SUPPORT SERVICES 487
- Establishments primarily engaged in providing on-site management and operation of a client's computer
Overview Facts
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 8744 - Facilities Support Management Services (via SIC1987:8744→NAICS1997:56121→2002:561210→2007:561210→2012:561210→2017:561210→2022:561210)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC S216 — Facilities Operations Support Services
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 561210 valid in 2022? ▾
Yes, 561210 is a valid 6-digit 2022 NAICS national industry code representing 'Facilities Support Services' under Sector 56 in the official classification index.
What is the SBA size standard for NAICS code 561210? ▾
The Small Business Administration (SBA) has established a small business size standard of $47,000,000 for NAICS code 561210 (Facilities Support Services), calculated based on receipts.
What is the legacy SIC equivalent for NAICS 561210? ▾
According to official Census Bureau concordance tables, NAICS code 561210 (Facilities Support Services) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 8744 - Facilities Support Management Services.
Related Pages & Tools
Further regulatory reference links for NAICS code 561210:
- Sector 56 Directory Hub — List of related industries in the Administrative and Support and Waste Management and Remediation Services sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- NAICS 561210 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Facilities Support Services).
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.