Other Similar Organizations (except Business, Professional, Labor, and Political Organizations)
NAICS 813990 is the North American Industry Classification System code for Other Similar Organizations (except Business, Professional, Labor, and Political Organizations), part of the Other Services (except Public Administration) sector. In federal contracting every solicitation is tagged with a NAICS code, so if this is your line of work, 813990 is the code to register under in SAM.gov and to filter opportunities by.
Is your business “small” under NAICS 813990?
The SBA sets a size standard (a revenue or employee cap) for every NAICS code, and revises them periodically. Confirm the current threshold for 813990 with SBA’s official Size Standards Tool or its Table of Size Standards.
About this code
- Sector: Other Services (except Public Administration) (81)
- Code: 813990 — a six-digit NAICS 2022 national industry code
- Use it for: registering your business under in SAM.gov and filtering opportunities + set-asides
Related NAICS codes
Other six-digit codes in the same NAICS industry group (8139):
How to find & win Other Similar Organizations (except Business, Professional, Labor, and Political Organizations) contracts
NAICS 813990 is your discovery axis. Register under it in SAM.gov, then filter federal and state opportunities by this code and your set-asides. These step-by-step guides walk through it:
Search live Other Similar Organizations (except Business, Professional, Labor, and Political Organizations) (NAICS 813990) opportunities across SAM.gov and all 50 states — free.
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