562991 — Septic Tank and Related Services
Description
This U.S. industry comprises establishments primarily engaged in (1) pumping (i.e., cleaning) septic tanks and cesspools and/or (2) renting and/or servicing portable toilets.
Exclusions & Cross-References
- Installing septic tanks--are classified in Industry 238910, Site Preparation Contractors; and
- Cleaning and rodding sewers and catch basins--are classified in U.S. Industry 562998, All Other
- Miscellaneous Waste Management Services.
Overview Facts
| NAICS Code | 562991 |
|---|---|
| Industry Title | Septic Tank and Related Services |
| SBA Size Standard | $9,000,000 |
| U.S. Establishments | 4,054 (Census CBP, 2023) |
| IRS PBA Code | 562000 (rolled-up match) |
| Sectors Hierarchy | Sector 56 → 562 → 5629 |
| Source / Verified | US Census 2022 NAICS Manual, Census CBP / 2026-06-28 |
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 7359 - Equipment Rental and Leasing, NEC (via SIC1987:7359→NAICS1997:562991→2002:562991→2007:562991→2012:562991→2017:562991→2022:562991)
- SIC 7699 - Repair Shops and Related Services, NEC (via SIC1987:7699→NAICS1997:562991→2002:562991→2007:562991→2012:562991→2017:562991→2022:562991)
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 S222 — Waste Treatment and Storage
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 562991:
- 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.
- 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.
Related Industries in 5629
Frequently Asked Questions (FAQ)
Is 562991 a valid 2022 NAICS code?
NAICS 562991 is 'Septic Tank and Related Services', a 2022 U.S. national industry under Sector 56 (Administrative and Support and Waste Management and Remediation Services); the SBA small-business size standard is $9,000,000.
What is the SBA size standard for NAICS 562991?
The SBA small business size standard for NAICS 562991 is $9,000,000 (based on receipts).
What is the legacy SIC code mapping for 562991?
NAICS code 562991 maps to the legacy 1987 SIC codes: 7359 - Equipment Rental and Leasing, NEC, 7699 - Repair Shops and Related Services, NEC.