NAICS Code Guide
NAICS 541690: Other Scientific & Technical Consulting
Catch-all consulting NAICS — operations research, safety consulting, regulatory support, ESPC engineering.
Quick facts
- NAICS code
- 541690
- Title
- Other Scientific & Technical Consulting
- SBA size standard
- $19M
Government buyers
Example contract opportunities
- DOE FEMP ESPC engineering
- DOT safety consulting
- DoD energy resilience studies
Industry context
CEM, PE, and ISSP-credentialed staff are common evaluation factors.
Related NAICS codes
- NAICS 541330 — Engineering Services
- NAICS 541620 — Environmental Consulting Services
- NAICS 541715 — Research & Development in the Physical, Engineering & Life Sciences
Related industries
States with the most activity in this NAICS
FAQs
- What is NAICS 541690?
- NAICS 541690 is the federal classification for Other Scientific & Technical Consulting. Catch-all consulting NAICS — operations research, safety consulting, regulatory support, ESPC engineering.
- What is the SBA small-business size standard for NAICS 541690?
- The SBA size standard for NAICS 541690 is $19M. A business at or below this threshold qualifies for small-business set-asides under this code.
- Which agencies buy under NAICS 541690?
- Top federal buyers under NAICS 541690 include Department of Energy, Department of Defense, Department of Transportation.
- What are example contracts under NAICS 541690?
- DOE FEMP ESPC engineering; DOT safety consulting; DoD energy resilience studies.
- What are the most-related NAICS codes?
- Closely related codes include 541330 (Engineering Services), 541620 (Environmental Consulting Services), 541715 (Research & Development in the Physical, Engineering & Life Sciences).