Administrative and Support and Waste Management and Remediation Services › Administrative and Support Services › Business Support Services
Sector
Administrative and Support and Waste Management and Remediation Services
Subsector
Administrative and Support Services
Industry Group
Business Support Services
National Industry (This Code)
All Other Business Support Services
Source: U.S. Census Bureau 2022 NAICS
Based on SBA Table of Small Business Size Standards (2024)
Size Standard
$21.5M average annual receipts
Measurement Period
3-year average
Standard Type
Revenue-Based
Applies To
All contracts under NAICS 561499
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.
The following activities are classified elsewhere in the NAICS system:
NAICS code 561499 — All Other Business Support 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 Business Support 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 $21.5M average annual receipts, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 561499.
NAICS code 561499 is 'All Other Business Support 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 providing business support services (except secretarial and other document preparation services; telephone answering and telemarketing
The SBA defines a small business under NAICS code 561499 (All Other Business Support Services) as one with $21.5M average annual receipts. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.
To register NAICS code 561499 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 561499 (All Other Business Support Services) to your NAICS code list. You may designate one code as your Primary NAICS code.
Other codes in Business Support Services
PSC codes commonly used with this NAICS sector
Source: GSA PSC Manual April 2025
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