NAICS Code 561: Administrative and Support Services
The NAICS code for Administrative and Support Services is 561.
Administrative and Support Services establishments provide outsourced business functions including office administration, facility management, employment staffing, document preparation, travel arrangement, security services, and building cleaning. They allow client firms to focus on core competencies by delegating non-core operational activities.
Administrative and Support Services is a 3-digit subsector of the broader Administrative and Support and Waste Management and Remediation Services (NAICS 56) sector.
1,505,879
Total US Entities
8
Industry Groups
561
NAICS Code
Classification
Industry Groups (4-digit)
| NAICS Code | Industry Group Title | US Entities |
|---|---|---|
| 5611 | NAICS 5611 — Office Administrative Services | 155,375 |
| 5612 | NAICS 5612 — Facilities Support Services | 4,845 |
| 5613 | NAICS 5613 — Employment Services | 63,561 |
| 5614 | NAICS 5614 — Business Support Services | 155,592 |
| 5615 | NAICS 5615 — Travel Arrangement and Reservation Services | 59,656 |
| 5616 | NAICS 5616 — Investigation and Security Services | 61,348 |
| 5617 | NAICS 5617 — Services to Buildings and Dwellings | 397,309 |
| 5619 | NAICS 5619 — Other Support Services | 608,069 |
Sample Data
Sample Companies in This Industry
Subsector 561 — Administrative and Support Services
| Company Name | NAICS Code |
|---|---|
| ManpowerGroup Inc | 561 |
| Automatic Data Processing Inc | 561 |
| Cintas Corporation | 561 |
| ServiceMaster Global Holdings | 561 |
| Amentum Services Inc | 561 |
| ABM Industries Inc | 561 |
| BrightSpring Health Services | 561 |
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Other Subsectors in Administrative and Support and Waste Management and Remediation Services
Working with legacy records? convert a NAICS code to SIC using the mapping table — NAICS 2022 at the five-digit industry level paired with SIC 1987 four-digit industries, with coverage gaps stated.