NAICS 5413-digit subsector · NAICS 2022Sector 54

NAICS Code 541: Professional, Scientific, and Technical Services

The NAICS code for Professional, Scientific, and Technical Services is 541.

Professional, Scientific, and Technical Services establishments deliver specialized expertise in law, accounting, architecture, engineering, IT systems design, management consulting, advertising, and scientific research. Human capital is the primary input, and the quality of talent and intellectual output defines competitive advantage in this knowledge-intensive subsector.

Professional, Scientific, and Technical Services is a 3-digit subsector of the broader Professional, Scientific, and Technical Services (NAICS 54) sector.

2,489,746

Total US Entities

Industry Groups

541

NAICS Code

Classification

Industry Groups (4-digit)

NAICS Code	Industry Group Title	US Entities
5411	NAICS 5411 — Legal Services	359,026
5412	NAICS 5412 — Accounting, Tax Preparation, Bookkeeping, and Payroll Services	188,917
5413	NAICS 5413 — Architectural, Engineering, and Related Services	268,147
5414	NAICS 5414 — Specialized Design Services	332,021
5415	NAICS 5415 — Computer Systems Design and Related Services	251,161
5416	NAICS 5416 — Management, Scientific, and Technical Consulting Services	750,642
5417	NAICS 5417 — Scientific Research and Development Services	43,863
5418	NAICS 5418 — Advertising, Public Relations, and Related Services	63,457
5419	NAICS 5419 — Other Professional, Scientific, and Technical Services	232,512

Sample Data

Sample Companies in This Industry

Subsector 541 — Professional, Scientific, and Technical Services

Company Name	Location	Employees	NAICS Code
Deloitte LLP	New York, NY	10,000+	541
McKinsey & Company	New York, NY	10,000+	541
Gartner Inc	Stamford, CT	10,000+	541
Booz Allen Hamilton	McLean, VA	10,000+	541
Parsons Corporation	Centreville, VA	10,000+	541
EPAM Systems Inc	Newtown, PA	10,000+	541
ICF International Inc	Fairfax, VA	5,000-9,999	541
FTI Consulting Inc	Washington, DC	5,000-9,999	541
Heidrick & Struggles International	Chicago, IL	1,000-4,999	541
DLT Solutions LLC	Herndon, VA	500-999	541

Access the full database of US companies by NAICS code

17.7 million US business entities with NAICS classification, contacts, and firmographics

Get a Free Data Sample

NAICS 2022

Search NAICS Codes

Working with legacy records? convert a NAICS code to SIC using the mapping table — NAICS 2022 at the five-digit industry level paired with SIC 1987 four-digit industries, with coverage gaps stated.