Kensington Sales Group
NAICS code guide

NAICS 541512: Computer Systems Design Services government contracts.

What NAICS 541512 covers, its SBA size standard, how much federal agencies spend in it and how to win government contracts in it.

Updated November 8, 2026 · By Mike Dombo, Kensington Sales Group · 3-minute read

Key takeaways

  • NAICS 541512 covers planning and designing computer systems that combine hardware, software and communications technology, often including installation and support.
  • The SBA size standard is $34.0M in average annual receipts. An August 2026 SBA proposal would change it to $531M (all of 5415); that proposal is not in effect.
  • Federal agencies awarded $32.04B in this code in FY 2025, and small businesses won $7.54B, or 23.5%.

NAICS 541512 at a glance

Fact541512
NAICS code541512
TitleComputer Systems Design Services
SBA size standard$34.0M receipts
Proposed standard (Aug. 2026)$531M (all of 5415) (not in effect)
Federal awards, FY 2025$32.04B
Small-business awards, FY 2025$7.54B (23.5%)
Rank by small-business dollars5 of the top 15 codes

Sources: U.S. Census Bureau NAICS manual; SBA Table of Small Business Size Standards, 13 CFR 121.201; GovSpend analysis of FPDS data, May 27, 2026. Confirm any size determination with the SBA size tool.

What NAICS 541512 covers

This industry comprises businesses primarily engaged in planning and designing computer systems that combine hardware, software and communications technology, often including installation and support.

Related codes: 541511 Custom Computer Programming Services, 541513 Computer Facilities Management Services, 541519 Other Computer Related Services.

Size standard for 541512

A company qualifies as small under NAICS 541512 if its average annual receipts are $34.0M or less, counting affiliates.

In August 2026, the SBA proposed new size standards that would set this code at $531M (all of 5415). The proposal is not in effect. See our SBA size standards guide.

Federal spending in 541512

Federal agencies awarded $32.04B in contracts under NAICS 541512 in fiscal 2025, and $7.54B, or 23.5%, went to small businesses. That ranks 541512 No. 5 among NAICS codes by small-business dollars, according to GovSpend's analysis of FPDS data. See the full ranking of top NAICS codes for government contracts.

How to win contracts in 541512

  • List the code in SAM.gov. Add 541512 to your registration if it describes work you do, and choose a primary code for your main business; see our SAM registration guide.
  • Search by code. Filter SAM.gov contract opportunities and agency procurement forecasts by 541512 to find recurring buyers.
  • Study past awards. Look at which agencies, contract vehicles and incumbents dominate the code before you pursue it.
  • Target the right agencies. Our federal agency guides cover budgets, buying components and forecasts for 23 agencies.
  • Look beyond federal. States, cities, counties and school districts buy the same services; see our state government guides.

How KSG helps

Kensington Sales Group's SDRs book meetings with public agencies across Federal, SLED, K-12 & Higher Ed, Healthcare, Tribal, Special Districts and Utilities. We find the program offices and buyers that spend in NAICS 541512 and get you in front of them before solicitations drop. See how our federal sales development works.

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FAQ

Frequently asked questions

What is NAICS code 541512?
NAICS 541512, Computer Systems Design Services, covers businesses primarily engaged in planning and designing computer systems that combine hardware, software and communications technology, often including installation and support.
What is the size standard for NAICS 541512?
The SBA size standard for 541512 is $34.0M receipts. An August 2026 proposal would change it to $531M (all of 5415), but it is not in effect.
How much does the federal government spend on NAICS 541512?
Federal agencies awarded $32.04B under NAICS 541512 in fiscal 2025, including $7.54B (23.5%) to small businesses, according to GovSpend's analysis of FPDS data.
Can I use more than one NAICS code?
Yes. You can list every code that describes work you perform in SAM.gov, with one primary code. Each solicitation uses a single code, and your size is measured against that code's standard.
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