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| Codes |
Titles
|
Total Marketable US Businesses |
| 541110 | Offices of Lawyers | 307,074 |
| 541120 | Offices of Notaries | 5,779 |
| 541191 | Title Abstract and Settlement Offices | 10,934 |
| 541199 | All Other Legal Services | 3,627 |
| 541211 | Offices of Certified Public Accountants | 60,415 |
| 541213 | Tax Preparation Services | 59,217 |
| 541214 | Payroll Services | 2,679 |
| 541219 | Other Accounting Services | 50,922 |
| 541310 | Architectural Services | 37,156 |
| 541320 | Landscape Architectural Services | 77,544 |
| 541330 | Engineering Services | 88,809 |
| 541340 | Drafting Services | 1,635 |
| 541350 | Building Inspection Services | 7,173 |
| 541360 | Geophysical Surveying and Mapping Services | 0 |
| 541370 | Surveying and Mapping (except Geophysical) Services | 11,276 |
| 541380 | Testing Laboratories | 9,885 |
| 541410 | Interior Design Services | 33,759 |
| 541420 | Industrial Design Services | 1,785 |
| 541430 | Graphic Design Services | 34,562 |
| 541490 | Other Specialized Design Services | 1,759 |
| 541511 | Custom Computer Programming Services | 97,496 |
| 541512 | Computer Systems Design Services | 81,703 |
| 541513 | Computer Facilities Management Services | 1,074 |
| 541519 | Other Computer Related Services | 4,764 |
| 541611 | Administrative Management and General Management Consulting Services | 178,144 |
| 541612 | Human Resources Consulting Services | 13,253 |
| 541613 | Marketing Consulting Services | 52,781 |
| 541614 | Process, Physical Distribution, and Logistics Consulting Services | 2,921 |
| 541618 | Other Management Consulting Services | 310,220 |
| 541620 | Environmental Consulting Services | 21,438 |
| 541690 | Other Scientific and Technical Consulting Services | 39,703 |
| 541713 | Research and Development in Nanotechnology | 0 |
| 541714 | Research and Development in Biotechnology (except Nanobiotechnology) | 3,871 |
| 541715 | Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | 20,256 |
| 541720 | Research and Development in the Social Sciences and Humanities | 14,971 |
| 541810 | Advertising Agencies | 21,849 |
| 541820 | Public Relations Agencies | 15,903 |
| 541830 | Media Buying Agencies | 760 |
| 541840 | Media Representatives | 3,617 |
| 541850 | Outdoor Advertising | 2,493 |
| 541860 | Direct Mail Advertising | 4,811 |
| 541870 | Advertising Material Distribution Services | 1,029 |
| 541890 | Other Services Related to Advertising | 10,767 |
| 541910 | Marketing Research and Public Opinion Polling | 12,710 |
| 541921 | Photography Studios, Portrait | 85,390 |
| 541922 | Commercial Photography | 15,815 |
| 541930 | Translation and Interpretation Services | 5,859 |
| 541940 | Veterinary Services | 43,555 |
| 541990 | All Other Professional, Scientific, and Technical Services | 210,502 |
