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NAICS code guide

NAICS 339999: All Other Miscellaneous Manufacturing government contracts.

What NAICS 339999 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 339999 covers manufacturing products not classified in other manufacturing codes.
  • Federal agencies awarded $4.30B in this code in FY 2025, and small businesses won $4.09B, or 95.2%.
  • Check the current size standard with the SBA size tool at sba.gov/size.

NAICS 339999 at a glance

Fact339999
NAICS code339999
TitleAll Other Miscellaneous Manufacturing
Federal awards, FY 2025$4.30B
Small-business awards, FY 2025$4.09B (95.2%)
Rank by small-business dollars10 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 339999 covers

This industry comprises businesses primarily engaged in manufacturing products not classified in other manufacturing codes.

Size standard for 339999

Check the current standard in the SBA Table of Small Business Size Standards or with the SBA size tool at sba.gov/size. Each solicitation lists one NAICS code, and that code's standard decides whether you can bid as small. See our SBA size standards guide.

Federal spending in 339999

Federal agencies awarded $4.30B in contracts under NAICS 339999 in fiscal 2025, and $4.09B, or 95.2%, went to small businesses. That ranks 339999 No. 10 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 339999

  • List the code in SAM.gov. Add 339999 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 339999 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 339999 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 339999?
NAICS 339999, All Other Miscellaneous Manufacturing, covers businesses primarily engaged in manufacturing products not classified in other manufacturing codes.
What is the size standard for NAICS 339999?
Check the current standard in the SBA Table of Small Business Size Standards (13 CFR 121.201) or with the SBA size tool at sba.gov/size.
How much does the federal government spend on NAICS 339999?
Federal agencies awarded $4.30B under NAICS 339999 in fiscal 2025, including $4.09B (95.2%) 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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