| Offices Of Lawyers | 541110 |
| Title Abstract And Settlement Offices | 541191 |
| All Other Legal Services | 541199 |
| Offices Of Certified Public Accountants | 541211 |
| Tax Preparation Services | 541213 |
| Payroll Services | 541214 |
| Other Accounting Services | 541219 |
| Architectural Services | 541310 |
| Landscape Architectural Services | 541320 |
| Engineering Services | 541330 |
| Drafting Services | 541340 |
| Building Inspection Services | 541350 |
| Geophysical Surveying And Mapping Services | 541360 |
| Surveying And Mapping Except Geophysical Services | 541370 |
| Testing Laboratories And Services | 541380 |
| Interior Design Services | 541410 |
| Industrial Design Services | 541420 |
| Graphic Design Services | 541430 |
| Other Specialized Design Services | 541490 |
| Custom Computer Programming Services | 541511 |
| Computer Systems Design Services | 541512 |
| Computer Facilities Management Services | 541513 |
| Other Computer Related Services | 541519 |
| Administrative Management And General Management Consulting Services | 541611 |
| Human Resources Consulting Services | 541612 |
| Marketing Consulting Services | 541613 |
| Process Physical Distribution And Logistics Consulting Services | 541614 |
| Other Management Consulting Services | 541618 |
| Environmental Consulting Services | 541620 |
| Other Scientific And Technical Consulting Services | 541690 |
| Research And Development In Nanotechnology | 541713 |
| Research And Development In Biotechnology Except Nanobiotechnology | 541714 |
| Research And Development In The Physical Engineering And Life Sciences Except Nanotechnology And Biotechnology | 541715 |
| Research And Development In The Social Sciences And Humanities | 541720 |
| Advertising Agencies | 541810 |
| Public Relations Agencies | 541820 |
| Media Buying Agencies | 541830 |
| Media Representatives | 541840 |
| Indoor And Outdoor Display Advertising | 541850 |
| Direct Mail Advertising | 541860 |
| Advertising Material Distribution Services | 541870 |
| Other Services Related To Advertising | 541890 |
| Marketing Research And Public Opinion Polling | 541910 |
| Photography Studios Portrait | 541921 |
| Commercial Photography | 541922 |
| Translation And Interpretation Services | 541930 |
| Veterinary Services | 541940 |
| All Other Professional Scientific And Technical Services | 541990 |
| Offices Of Bank Holding Companies | 551111 |
| Offices Of Other Holding Companies | 551112 |
| Corporate Subsidiary And Regional Managing Offices | 551114 |