NAICS Code Lookup




Professional, Scientific, and Technical Services


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, and physical distribution and logistics. These establishments are classified in Sector 56, Administrative and Support and Waste Management and Remediation Services.

NAICS CodesNAICS Description
5411Legal Services
5412Accounting, Tax Preparation, Bookkeeping, and Payroll Services
5413Architectural, Engineering, and Related Services
5414Specialized Design Services
5415Computer Systems Design and Related Services
5416Management, Scientific, and Technical Consulting Services
5417Scientific Research and Development Services
5418Advertising, Public Relations, and Related Services
5419Other Professional, Scientific, and Technical Services
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