Professional, Scientific, and Technical Services › Professional, Scientific, and Technical Services › Computer Systems Design and Related Services
Sector
Professional, Scientific, and Technical Services
Subsector
Professional, Scientific, and Technical Services
Industry Group
Computer Systems Design and Related Services
National Industry (This Code)
Custom Computer Programming Services
Source: U.S. Census Bureau 2022 NAICS
Based on SBA Table of Small Business Size Standards (2024)
Size Standard
$34M average annual receipts
Measurement Period
3-year average
Standard Type
Revenue-Based
Applies To
All contracts under NAICS 541511
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 541511 — Custom Computer Programming 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 Computer Systems Design and Related 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 $34M average annual receipts, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 541511.
NAICS code 541511 is 'Custom Computer Programming Services', classified under the Professional, Scientific, and Technical Services sector (NAICS 54). This U.S. industry comprises establishments primarily engaged in writing, modifying, testing, and supporting software to meet the needs of a particular customer. Cross-References. Establishments prim
The SBA defines a small business under NAICS code 541511 (Custom Computer Programming Services) as one with $34M 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 541511 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 541511 (Custom Computer Programming Services) to your NAICS code list. You may designate one code as your Primary NAICS code.
Other codes in Computer Systems Design and Related Services
PSC codes commonly used with this NAICS sector
Source: GSA PSC Manual April 2025
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