561720 — Janitorial Services
Description
This industry comprises establishments primarily engaged in cleaning building interiors, interiors of transportation equipment (e.g., aircraft, rail cars, ships), and/or windows (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Illustrative Examples
- Custodial services
- Service station cleaning and degreasing services
- Housekeeping (i.e., cleaning) services
- Washroom sanitation services
- Maid (i.e., cleaning) services
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 4581 - Airports, Flying Fields, and Airport Terminal Services (via SIC1987:4581→NAICS1997:56172→2002:561720→2007:561720→2012:561720→2017:561720→2022:561720)
- SIC 7342 - Disinfecting and Pest Control Services (via SIC1987:7342→NAICS1997:56172→2002:561720→2007:561720→2012:561720→2017:561720→2022:561720)
- SIC 7349 - Building Cleaning and Maintenance Services, NEC (via SIC1987:7349→NAICS1997:56172→2002:561720→2007:561720→2012:561720→2017:561720→2022:561720)
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 S201 — Custodial Janitorial Services
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 561720 valid in 2022? ▾
Yes, 561720 is a valid 6-digit 2022 NAICS national industry code representing 'Janitorial Services' under Sector 56 in the official classification index.
What is the SBA size standard for NAICS code 561720? ▾
The Small Business Administration (SBA) has established a small business size standard of $22,000,000 for NAICS code 561720 (Janitorial Services), calculated based on receipts.
What is the legacy SIC equivalent for NAICS 561720? ▾
According to official Census Bureau concordance tables, NAICS code 561720 (Janitorial Services) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 4581 - Airports, Flying Fields, and Airport Terminal Services, 7342 - Disinfecting and Pest Control Services, 7349 - Building Cleaning and Maintenance Services, NEC.
Related Pages & Tools
Further regulatory reference links for NAICS code 561720:
- 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 561720 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Janitorial Services).
- IRS PBA Code for Cleaning Services — Principal Business Activity tax reporting details.
- IRS PBA Code for House Cleaning — Principal Business Activity tax reporting details.
- IRS PBA Code for Janitorial — Principal Business Activity tax reporting details.
- IRS PBA Code for Window Washing — Principal Business Activity tax reporting details.
- Compare NAICS 561720 vs 561730 — Industrial classification comparison rules (Janitorial Services vs Landscaping 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.