NAICS 541690 — Other Scientific and Technical Consulting Services
Covers scientific and technical consulting not classified elsewhere, including security, safety, and specialized advisory services.
Size standard
$19.0 million average annual receipts
Sector: Professional, Scientific, and Technical Services
Top buying agencies
- Department of Homeland Security
- Department of Energy
- Department of Labor
- Department of Defense
Includes
- Security and risk consulting
- Safety and industrial hygiene advisory
- Specialized technical studies
Excludes
- Management consulting (541611)
- Environmental consulting (541620)
Bidding tips for 541690
- Credential specificity matters — list certifications by named staff
- Tie recommendations to measurable client outcomes
- Watch for narrow subject-matter evaluation subfactors
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