541 - Professional, Scientific, and Technical Services
Top Businesses by Annual Sales for 541 – Click for Complete Profiles:
Industries in the Professional, Scientific, and Technical Services subsector group establishments engaged in processes where human capital is the major input. These establishments make available the knowledge and skills of their employees, often on an assignment basis, where an individual or team is responsible for the delivery of services to the client. The individual industries of this subsector are defined on the basis of the particular expertise and training of the services provider.
The distinguishing feature of the Professional, Scientific, and Technical Services subsector is the fact that most of the industries grouped in it have production processes that are almost wholly dependent on worker skills. Thus, the establishments classified in this subsector sell expertise. Much of the expertise requires degrees, though not in every case.
NAICS Codes that fall under 541 - Professional, Scientific, and Technical Services
| Codes |
Titles | US Business
Entities |
| 541 | Professional, Scientific, and Technical Services | 2,576,732 |
| 541110 | Offices of Lawyers | 331,100 |
| 541120 | Offices of Notaries | 11,401 |
| 541191 | Title Abstract and Settlement Offices | 13,545 |
| 541199 | All Other Legal Services | 5,520 |
| 541211 | Offices of Certified Public Accountants | 77,713 |
| 541213 | Tax Preparation Services | 64,775 |
| 541214 | Payroll Services | 3,223 |
| 541219 | Other Accounting Services | 43,822 |
| 541310 | Architectural Services | 38,772 |
| 541320 | Landscape Architectural Services | 90,266 |
| 541330 | Engineering Services | 100,385 |
| 541340 | Drafting Services | 1,601 |
| 541350 | Building Inspection Services | 12,950 |
| 541360 | Geophysical Surveying and Mapping Services | 0 |
| 541370 | Surveying and Mapping (except Geophysical) Services | 13,114 |
| 541380 | Testing Laboratories and Services | 16,455 |
| 541410 | Interior Design Services | 38,088 |
| 541420 | Industrial Design Services | 1,613 |
| 541430 | Graphic Design Services | 37,254 |
| 541490 | Other Specialized Design Services | 277,658 |
| 541511 | Custom Computer Programming Services | 143,244 |
| 541512 | Computer Systems Design Services | 103,209 |
| 541513 | Computer Facilities Management Services | 1,212 |
| 541519 | Other Computer Related Services | 4,987 |
| 541611 | Administrative Management and General Management Consulting Services | 188,933 |
| 541612 | Human Resources Consulting Services | 15,781 |
| 541613 | Marketing Consulting Services | 78,952 |
| 541614 | Process, Physical Distribution, and Logistics Consulting Services | 28,948 |
| 541618 | Other Management Consulting Services | 401,542 |
| 541620 | Environmental Consulting Services | 25,782 |
| 541690 | Other Scientific and Technical Consulting Services | 45,616 |
| 541713 | Research and Development in Nanotechnology | 0 |
| 541714 | Research and Development in Biotechnology (except Nanobiotechnology) | 7,296 |
| 541715 | Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | 22,657 |
| 541720 | Research and Development in the Social Sciences and Humanities | 15,219 |
| 541810 | Advertising Agencies | 25,411 |
| 541820 | Public Relations Agencies | 16,119 |
| 541830 | Media Buying Agencies | 916 |
| 541840 | Media Representatives | 3,498 |
| 541850 | Indoor and Outdoor Display Advertising | 2,456 |
| 541860 | Direct Mail Advertising | 4,765 |
| 541870 | Advertising Material Distribution Services | 983 |
| 541890 | Other Services Related to Advertising | 11,985 |
| 541910 | Marketing Research and Public Opinion Polling | 13,005 |
| 541921 | Photography Studios, Portrait | 89,497 |
| 541922 | Commercial Photography | 16,375 |
| 541930 | Translation and Interpretation Services | 7,109 |
| 541940 | Veterinary Services | 47,445 |
| 541990 | All Other Professional, Scientific, and Technical Services | 74,535 |
