NAICS 2022 nationalIndustry USA Verified: Census NAICS 2022 · 2026-01-01

NAICS 541690 — Other Scientific and Technical Consulting Services

Other Scientific and Technical Consulting Services

NAICS 541690 is the national industry code for other scientific and technical consulting services establishments in the United States. The Small Business Administration sets a size standard of $19.0 for this classification. It forms part of the hierarchical North American Industry Classification System maintained by the Census Bureau.

SBA: $19.0 View full SBA standard

Exclusions & Cross-References

Activities classified under other official NAICS codes:

contract drilling for oil and gas (See 213111 Oil and gas contract drilling)
engineering consulting services (See 541330 Engineering services)
oil field crew supervision (See 561110 Office administrative services)
providing computer systems integration and design services (See 541514 Computer systems design and related services (except video game design and development) (CAN))
quality control (product inspection) service (See 561990 All other support services)
real estate advisory services (See 531390 Other activities related to real estate (US))
services to oil and gas extraction (See 213118 Services to oil and gas extraction (CAN))

Official Illustrative Examples

Primary activities officially recognized by Census Bureau / Statistics Canada:

agricultural consulting (technical) services agrology consulting services agronomy consulting services economic consulting services energy consulting services livestock breeding consulting services occupational health and safety consulting services physics consulting services safety consulting services

Complete Index of Activities (44 recognized activities) ▼

agricultural consulting (technical) services

agrology consulting services

agronomy consulting services

audio equipment consulting services

beer making consultant

biological consulting services

building envelope consulting services

chemical consulting services

dairy herd consulting services

defense consulting services

economic consulting services

energy consulting services

expert witness testifying in court

fishing consultant service, boundary issue disputes

forestry consulting services (except engineer)

geochemical consulting services

geology consultant

geopolitical consulting

geo-political consulting services

health management consulting services

health risk management consultants

hydrology consulting services

import and export trade consulting services

Indigenous affairs advisor (technical consulting)

legal information consultant (advice to the general public)

livestock breeding consulting services

mine lighting consultant

motion picture consulting services

nuclear energy consulting services

occupational health and safety consulting services

occupational health and wellbeing consultant

paramedic consultant

personal growth consultant

pharmaceutical consultant

physics consulting services

product quality consulting services (except quality control service)

professional career advancement consultant

radio consulting services

roof consulting services

safety consulting services

security consulting services

technical consultant services

waterproof consulting services

wine consulting services

Official data

Feature	Description
Official name	North American Industry Classification System (NAICS) 2022
Issuing authority	U.S. Census Bureau with OMB, Statistics Canada, and INEGI
Tax authority	Internal Revenue Service (IRS)
Purpose	Statistical business classification and federal contracting (SAM.gov, SBA standards)
Used in	SAM.gov registration, SBA size determinations, IRS tax classification, SEC EDGAR (via SIC crosswalk)
Active since	2022 (current edition)
Hierarchy level	Sector (2-digit)
Source	https://www.census.gov/naics/