NAICS 2022 nationalIndustry USA Verified: Census NAICS 2022 · 2026-01-01
541330
NAICS 541330 — Engineering Services
Engineering Services
NAICS 541330 is the national industry code for engineering services establishments in the United States. The Small Business Administration sets a size standard of $25.5 for this classification. It forms part of the hierarchical North American Industry Classification System maintained by the Census Bureau.
SBA: $25.5
View full SBA standard
Official Inclusions
- provision of advice, preparation of feasibility studies, preparation of preliminary and final plans and designs, provision of technical services during the construction or installation phase, inspection and evaluation of engineering projects, and related services
Exclusions & Cross-References
Activities classified under other official NAICS codes:
- creating and developing designs and specifications that optimize the function, value and appearance of products (See 541420 Industrial design services)
- design and construction of buildings, highways and other structures (See 23 Construction)
- gathering, interpreting and mapping geophysical data (See 541360 Geophysical surveying and mapping services)
- planning and designing computer systems that integrate existing hardware, packaged or custom software and communication technologies (See 541514 Computer systems design and related services (except video game design and development) (CAN))
- providing advice and assistance to others on environmental issues, such as the control of environmental contamination from pollutants, toxic substances and hazardous materials (See 541620 Environmental consulting services)
- providing construction management services - classified by type of construction (See 23 Construction)
- providing engineering surveying services (See 541370 Surveying and mapping (except geophysical) services)
Official Illustrative Examples
Primary activities officially recognized by Census Bureau / Statistics Canada:
civil engineering services consulting engineering services electrical and electronic engineering services industrial engineering services mechanical engineering services mining engineering services petroleum engineering services traffic consultants, engineering services
Complete Index of Activities (31 recognized activities) ▼
acoustical engineering consulting and design services
aeronautical design services
boat engineering designing services
chemical engineering services
civil engineering services
combustion and heating engineering consultants
construction engineering services
consulting engineering services
electrical and electronic engineering services
electrical engineering services
electronic engineering services
engineering design services
engineers, private practice
environmental engineering services
erosion control engineering services
forestry consultants (own account engineering)
geological engineering services
geophysical engineering services
industrial engineering services
logging engineering services
marine engineering services
mechanical engineering services
mining engineering services
office of engineers
petroleum engineering services
provision of advice, preparation of feasibility studies, preparation of preliminary and final plans and designs, provision of technical services during the construction or installation phase, inspection and evaluation of engineering projects, and related services
solar energy units (designing)
telecommunications engineering consulting
traffic consultants, engineering services
transformer engineering services
transportation consultants (consulting engineering)
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/ |
NAICS hierarchy path
Trace the classification from the broadest sector down to this national industry code.
Cross-references & crosswalks
SBA size standard description
Engineering Services
Changes to receipts-based standard: [object Object]