NAICS Code 54 — Professional, Scientific, and Technical Services

Sector in the official 2022 North American Industry Classification System (U.S. Census Bureau). It contains 1 direct sub-code.

Code	54
Title	Professional, Scientific, and Technical Services
Level	Sector (2-digit)
Edition	NAICS 2022 edition

Official definition (2022 NAICS)

The Sector as a Whole

The Professional, Scientific, and Technical Services sector comprises establishments that specialize in performing professional, scientific, and technical activities for others. These activities require a high degree of expertise and training. The establishments in this sector specialize according to expertise and provide these services to clients in a variety of industries and, in some cases, to households. Activities performed include: legal advice and representation; accounting, bookkeeping, and payroll services; architectural, engineering, and specialized design services; computer services; consulting services; research services; advertising services; photographic services; translation and interpretation services; veterinary services; and other professional, scientific, and technical services.

This sector excludes establishments primarily engaged in providing a range of day-to-day office administrative services, such as financial planning, billing and recordkeeping, personnel supply, and physical distribution and logistics. These establishments are classified in Sector 56, Administrative and Support and Waste Management and Remediation Services.

Codes under 54

Code	Title
541	Professional, Scientific, and Technical Services

Related Sector codes

• 11 — Agriculture, Forestry, Fishing and Hunting
• 21 — Mining, Quarrying, and Oil and Gas Extraction
• 22 — Utilities
• 23 — Construction
• 31-33 — Manufacturing
• 42 — Wholesale Trade
• 44-45 — Retail Trade
• 48-49 — Transportation and Warehousing
• 51 — Information
• 52 — Finance and Insurance
• 53 — Real Estate and Rental and Leasing
• 55 — Management of Companies and Enterprises
• 56 — Administrative and Support and Waste Management and Remediation Services
• 61 — Educational Services
• 62 — Health Care and Social Assistance
• 71 — Arts, Entertainment, and Recreation
• 72 — Accommodation and Food Services
• 81 — Other Services (except Public Administration)
• 92 — Public Administration

Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.