562991

Septic Tank and Related Services

Administrative and Support and Waste Management and Remediation Services › Waste Management and Remediation Services › Remediation and Other Waste Management Services

SBA Size Standard

$9M average annual receipts

Revenue-Based Verify at SBA.gov →

NAICS Code Hierarchy

56

Sector

Administrative and Support and Waste Management and Remediation Services

562

Subsector

Waste Management and Remediation Services

5629

Industry Group

Remediation and Other Waste Management Services

562991

National Industry (This Code)

Septic Tank and Related Services

Official NAICS Description

Source: U.S. Census Bureau 2022 NAICS

📘 Source: U.S. Census Bureau — 2022 NAICS Manual
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.

✓ Small Business Eligibility at a Glance

Based on SBA Table of Small Business Size Standards (2024)

Size Standard

$9M average annual receipts

Measurement Period

3-year average

Standard Type

Revenue-Based

Applies To

All contracts under NAICS 562991

Set-Aside Programs

8(a), WOSB, HUBZone, SDVOSB

Certification Required

No (self-certify in SAM.gov)

Size standards are set by the SBA and reviewed periodically. Always verify at SBA.gov before bidding.

Cross-References

The following activities are classified elsewhere in the NAICS system:

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.

How to Use NAICS 562991 in SAM.gov

NAICS code 562991Septic Tank and Related Services — is used in SAM.gov to identify businesses whose primary activity falls within this classification. When you add this code to your SAM.gov entity registration, contracting officers searching for vendors in the Remediation and Other Waste Management Services space will be able to find your business.

If this code represents your primary business activity, designate it as your primary NAICS code. Your primary NAICS code determines your size standard for any contract solicited under this code. With a size standard of $9M average annual receipts, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 562991.

Log in Entity Registration Goods & Services Add NAICS Code Enter 562991 Save

Frequently Asked Questions

What is NAICS code 562991?

NAICS code 562991 is 'Septic Tank and Related Services', classified under the Administrative and Support and Waste Management and Remediation Services sector (NAICS 56). 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. Cross-References. Establ

What is the SBA small business size standard for NAICS code 562991?

The SBA defines a small business under NAICS code 562991 (Septic Tank and Related Services) as one with $9M average annual receipts. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.

How do I register NAICS code 562991 in SAM.gov?

To register NAICS code 562991 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 562991 (Septic Tank and Related Services) to your NAICS code list. You may designate one code as your Primary NAICS code.

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Related NAICS Codes

Other codes in Remediation and Other Waste Management Services

Related PSC Codes

PSC codes commonly used with this NAICS sector

Source: GSA PSC Manual April 2025

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