2022 NAICS national industry in sector 56 Administrative and Support and Waste Management and Remediation Services
561720 Janitorial Services
NAICS 561720 is the US industry code for janitorial services. It covers establishments primarily engaged in cleaning building interiors, interiors of transportation equipment (e.g., aircraft, rail cars, ships), and/or windows.
- Code
- 561720 (2022 NAICS)
- Title
- Janitorial Services
- Part of
- Services to Buildings and Dwellings
- SBA small business limit
- Average annual receipts up to $22 million
- Closest UK SIC
- 81210, 81291, 81299 (details)
Changes coming. The NAICS 2027 revision applies to data from 1 January 2027, and SBA proposed new size standards on 20 August 2026. The values on this page are the ones in force today; we update this page when the official files change.
Official definition
This industry comprises establishments primarily engaged in cleaning building interiors, interiors of transportation equipment (e.g., aircraft, rail cars, ships), and/or windows.
Examples Census gives
- Custodial services
- Service station cleaning and degreasing services
- Housekeeping (i.e., cleaning) services
- Washroom sanitation services
- Maid (i.e., cleaning) services
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Cleaning building exteriors (except sandblasting and window cleaning) or chimneys are classified in Industry 561790, Other Services to Buildings and Dwellings.
- Sandblasting building exteriors are classified in Industry 238990, All Other Specialty Trade Contractors.
- Crime scene cleanup services are classified in Industry 562910, Remediation Services.
Businesses that use this code
Activities listed under 561720
The Census index assigns these 22 activities to this code. If your business matches one, this is your code.
- Aircraft janitorial services
- Building cleaning services, interior
- Building cleaning services, janitorial
- Cleaning homes
- Cleaning offices
- Cleaning shopping centers
- Custodial services
- Deodorant servicing of rest rooms
- Deodorizing services
- Disinfecting services
- Housekeeping services (i.e., cleaning services)
- Janitorial services
- Janitorial services, aircraft
- Maid services (i.e., cleaning services)
- Office cleaning services
- Residential cleaning services
- Rest room cleaning services
- Restaurant kitchen cleaning services
- Service station cleaning and degreasing services
- Venetian blind cleaning services
- Washroom sanitation services
- Window cleaning services
SBA size standard for 561720
To count as a small business for SBA loans and federal contracts under NAICS 561720, your business (including affiliates) must not exceed $22 million in average annual receipts. Check your business.
Source: SBA table of size standards, effective March 17, 2023.
Closest UK SIC 2007 codes
There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 8121, 8129), so treat them as a starting point and check the definition.
- 81210General cleaning of buildingsUK SIC
- 81291Disinfecting and exterminating servicesUK SIC
- 81299Other cleaning servicesUK SIC
Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.
Similar codes to compare
Data last changed November 14, 2026. How this page is built.