54
Professional, Scientific, and Technical Services
Legal, accounting, architecture, engineering, computer systems design, consulting, advertising, and research.
Common Codes in This Sector
541110 Offices of Lawyers 541211 Offices of Certified Public Accountants 541330 Engineering Services 541511 Custom Computer Programming Services 541512 Computer Systems Design Services 541519 Other Computer Related Services 541611 Administrative Management Consulting Services 541810 Advertising Agencies 541990 All Other Professional, Scientific, and Technical Services