NAICS 541690
Other Scientific and Technical Consulting Services
Establishments providing scientific and technical consulting advice not classified elsewhere, including environmental consulting, safety consulting, acoustical engineering consulting, and other specialized scientific and technical consulting. A primary vehicle for intelligence analysis and SOF advisory services.
Change log (4)
- Data refreshRe-verified SBA size standards and refreshed top-agency lists against the latest FPDS award activity.
- Structured dataAdded the internal linking mesh — each code now cross-links related PSCs, buying agencies, and contract vehicles.
- Structured dataAdded FAQPage, Dataset, and BreadcrumbList structured data to every code page.
- LaunchedPublished the NAICS directory covering SDVOSB-relevant codes across seven sectors.
| NAICS Code | 541690 |
| SBA Size Standard | $19M avg annual receipts |
| Sector | Intelligence & SOF |
| Common Set-Asides | SDVOSB, VOSB, 8(a), HUBZone |
| Top Buying Agencies | DIA, SOCOM, DHS, NSA, NRO |
Frequently Asked Questions
What is NAICS code 541690?
NAICS 541690 covers Other Scientific and Technical Consulting Services. Establishments providing scientific and technical consulting advice not classified elsewhere, including environmental consulting, safety consulting, acoustical engineering consulting, and other specialized scientific and technical consulting. A primary vehicle for intelligence analysis and SOF advisory services.
What is the SBA size standard for NAICS 541690?
The SBA size standard for NAICS 541690 (Other Scientific and Technical Consulting Services) is $19M in average annual receipts. Businesses at or below this threshold qualify as small for federal contracting purposes.
Which agencies use NAICS 541690 for SDVOSB set-asides?
The top federal agencies awarding SDVOSB set-aside contracts under NAICS 541690 include DIA, SOCOM, DHS, NSA, NRO.
What set-aside types are common under NAICS 541690?
Common set-aside types used with NAICS 541690 include SDVOSB, VOSB, 8(a), HUBZone. SDVOSB set-asides are used when there is a reasonable expectation of receiving offers from at least two eligible SDVOSB concerns.
Related PSC Codes
Product/Service Codes commonly paired with NAICS 541690. The PSC describes what is being purchased, while NAICS 541690 sets the size standard.
Buying Agencies for NAICS 541690
Federal agencies with NAICS 541690 among their top SDVOSB set-aside codes. Open an agency forecast to see quarterly scorecards, key vehicles, and SDVOSB programs.
Contract Vehicles Covering NAICS 541690
GWACs, IDIQs, and BPAs whose scope includes NAICS 541690. Holding a seat on one of these vehicles is often the fastest path to task order awards under this NAICS.
SDVOSB Signals — NAICS 541690
Browse pre-RFP intelligence signals tracked under this NAICS code.
View signals for NAICS 541690→