541690 — Other Scientific and Technical Consulting Services
Description
This industry comprises establishments primarily engaged in providing advice and assistance to businesses and other organizations on scientific and technical issues (except environmental) (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Illustrative Examples
- Agricultural consulting services
- Motion picture consulting services
- Biological consulting services
- Physics consulting services
- Chemical consulting services
- Radio consulting services
- Economic consulting services
- Safety consulting services
- Energy consulting services
- Security consulting services
Overview Facts
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 0781 - Landscape Counseling and Planning (via SIC1987:0781→NAICS1997:54169→2002:541690→2007:541690→2012:541690→2017:541690→2022:541690)
- SIC 8748 - Business Consulting Services, NEC (via SIC1987:8748→NAICS1997:54169→2002:541690→2007:541690→2012:541690→2017:541690→2022:541690)
- SIC 8999 - Services, NEC (via SIC1987:8999→NAICS1997:54169→2002:541690→2007:541690→2012:541690→2017:541690→2022:541690)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC AJ12 — GENERAL SCIENCE AND TECHNOLOGY R&D SERVICES; GENERAL SCIENCE AND TECHNOLOGY; APPLIED RESEARCH
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 541690 valid in 2022? ▾
Yes, 541690 is a valid 6-digit 2022 NAICS national industry code representing 'Other Scientific and Technical Consulting Services' under Sector 54 in the official classification index.
What is the SBA size standard for NAICS code 541690? ▾
The Small Business Administration (SBA) has established a small business size standard of $19,000,000 for NAICS code 541690 (Other Scientific and Technical Consulting Services), calculated based on receipts.
What is the legacy SIC equivalent for NAICS 541690? ▾
According to official Census Bureau concordance tables, NAICS code 541690 (Other Scientific and Technical Consulting Services) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 0781 - Landscape Counseling and Planning, 8748 - Business Consulting Services, NEC, 8999 - Services, NEC.
Related Pages & Tools
Further regulatory reference links for NAICS code 541690:
- Sector 54 Directory Hub — List of related industries in the Professional, Scientific, and Technical Services sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- NAICS 541690 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Other Scientific and Technical Consulting Services).
- IRS PBA Code for Consulting — Principal Business Activity tax reporting details.
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.