| 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 |