54 - Professional, Scientific, and Technical Services
Top Businesses by Annual Sales for 54 – Click for Complete Profiles:
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.
NAICS Codes that fall under 54 - Professional, Scientific, and Technical Services
| Codes |
Titles | US Business
Entities |
| 541110 | Offices of Lawyers | 323,973 |
| 541120 | Offices of Notaries | 9,821 |
| 541191 | Title Abstract and Settlement Offices | 12,968 |
| 541199 | All Other Legal Services | 5,371 |
| 541211 | Offices of Certified Public Accountants | 75,951 |
| 541213 | Tax Preparation Services | 63,267 |
| 541214 | Payroll Services | 3,094 |
| 541219 | Other Accounting Services | 42,869 |
| 541310 | Architectural Services | 37,907 |
| 541320 | Landscape Architectural Services | 87,458 |
| 541330 | Engineering Services | 97,331 |
| 541340 | Drafting Services | 1,583 |
| 541350 | Building Inspection Services | 11,462 |
| 541360 | Geophysical Surveying and Mapping Services | 0 |
| 541370 | Surveying and Mapping (except Geophysical) Services | 12,751 |
| 541380 | Testing Laboratories | 15,561 |
| 541410 | Interior Design Services | 36,478 |
| 541420 | Industrial Design Services | 1,634 |
| 541430 | Graphic Design Services | 36,227 |
| 541490 | Other Specialized Design Services | 2,297 |
| 541511 | Custom Computer Programming Services | 130,081 |
| 541512 | Computer Systems Design Services | 96,575 |
| 541513 | Computer Facilities Management Services | 1,152 |
| 541519 | Other Computer Related Services | 4,873 |
| 541611 | Administrative Management and General Management Consulting Services | 199,443 |
| 541612 | Human Resources Consulting Services | 15,017 |
| 541613 | Marketing Consulting Services | 71,353 |
| 541614 | Process, Physical Distribution, and Logistics Consulting Services | 4,604 |
| 541618 | Other Management Consulting Services | 359,556 |
| 541620 | Environmental Consulting Services | 24,247 |
| 541690 | Other Scientific and Technical Consulting Services | 42,799 |
| 541713 | Research and Development in Nanotechnology | 0 |
| 541714 | Research and Development in Biotechnology (except Nanobiotechnology) | 6,337 |
| 541715 | Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | 22,360 |
| 541720 | Research and Development in the Social Sciences and Humanities | 14,988 |
| 541810 | Advertising Agencies | 24,163 |
| 541820 | Public Relations Agencies | 15,661 |
| 541830 | Media Buying Agencies | 854 |
| 541840 | Media Representatives | 3,381 |
| 541850 | Outdoor Advertising | 2,425 |
| 541860 | Direct Mail Advertising | 4,667 |
| 541870 | Advertising Material Distribution Services | 977 |
| 541890 | Other Services Related to Advertising | 11,569 |
| 541910 | Marketing Research and Public Opinion Polling | 12,671 |
| 541921 | Photography Studios, Portrait | 87,949 |
| 541922 | Commercial Photography | 15,956 |
| 541930 | Translation and Interpretation Services | 6,836 |
| 541940 | Veterinary Services | 46,350 |
| 541990 | All Other Professional, Scientific, and Technical Services | 307,623 |
