NAICS 561720:
Janitorial Services
This industry comprises establishments primarily engaged in cleaning building interiors, interiors of transportation equipment (e.g., aircraft, rail cars, ships), and/or windows.
Custodial servicesService station cleaning and degreasing servicesHousekeeping (i.e., cleaning) services+2 examples
Washroom sanitation servicesMaid (i.e., cleaning) services
Also called: cleaning, janitorial
Matching SIC code: 7342 Disinfecting and Pest Control Services (also 7349 Building Cleaning and Maintenance Services, Not Elsewhere, 4581 Airports, Flying Fields, and Airport Terminal Services)
Where it sits
Largest companies with NAICS 561720
Updated Nov 9, 2026| Rank | Company | Headquarters | Employees |
|---|---|---|---|
| 1 |  Cleaning Services Groupcsginc.com | Danvers, US | 7K |
| 2 |  KBS - Kellermeyer Bergensons Services, LLCkbs-services.com | Oceanside, US | 5.9K |
| 3 |  ServiceMaster Clean®servicemasterclean.com | Atlanta, US | 2.8K |
| 4 |  ABM Janitorial Servicesabm.com | Sugar Land, US | 2.7K |
| 5 |  The Cleaning Authoritythecleaningauthority.com | Columbia, US | 2.5K |
| 6 |  MasterCorp, Inc.mastercorp.com | Orlando, US | 2.5K |
| 7 |  Jani-King International, Inc.janiking.com | Addison, US | 2.2K |
| 8 |  Merry Maids®merrymaids.com | Atlanta, US | 1.8K |
| 9 |  The Budd Groupbuddgroup.com | Winston-Salem, US | 1.5K |
| 10 |  MaidPromaidpro.com | Boston, US | 1.4K |
Not this code?
Similar activities the Census classifies elsewhere.
- 238990All Other Specialty Trade ContractorsSandblasting building exteriors
- 562910Remediation ServicesCrime scene cleanup services
Questions about NAICS 561720
What is the NAICS code for cleaning?
NAICS 561720, Janitorial Services. This industry comprises establishments primarily engaged in cleaning building interiors, interiors of transportation equipment (e.g., aircraft, rail cars, ships), and/or windows.
Which businesses use NAICS 561720?
Custodial services, service station cleaning and degreasing services and washroom sanitation services, and similar businesses in the Administrative and Support and Waste Management and Remediation Services sector.
What SIC code matches NAICS 561720?
SIC 7342, Disinfecting and Pest Control Services; SIC 7349, Building Cleaning and Maintenance Services, Not Elsewhere; SIC 4581, Airports, Flying Fields, and Airport Terminal Services, from the US Census Bureau's concordance between the two systems.
How many companies have NAICS 561720?
29,311 companies with a website carry NAICS 561720 as their primary code in Crustdata's data, worldwide.
Find any company's NAICS codeType a company name or website and get its codes with their titles.
Look up a companyEvery company with NAICS 561720Search all 29,311 of them, filter by country, size and location, and export them. Start with a free Crustdata account.
Sign up freeCode titles, definitions, examples and SIC matches: NAICS 2022 and the Census concordances, US Census Bureau. Company counts and lists: Crustdata, companies with a website, each by its primary code, updated weekly. Employee counts are estimates.