Six Digit NAICS Codes & Titles

Click Any NAICS Code to See The Description and Top 10 Companies in that field.

Codes	Titles	Total Marketable US Businesses
54	Professional, Scientific, and Technical Services	2,407,605
5411	Legal Services	356,116
541110	Offices of Lawyers	328,910
541120	Offices of Notaries	8,790
541191	Title Abstract and Settlement Offices	13,077
541199	All Other Legal Services	5,339
5412	Accounting, Tax Preparation, Bookkeeping, and Payroll Services	185,775
541211	Offices of Certified Public Accountants	76,705
541213	Tax Preparation Services	63,194
541214	Payroll Services	3,127
541219	Other Accounting Services	42,749
5413	Architectural, Engineering, and Related Services	264,615
541310	Architectural Services	38,206
541320	Landscape Architectural Services	87,258
541330	Engineering Services	97,610
541340	Drafting Services	1,588
541350	Building Inspection Services	11,542
541360	Geophysical Surveying and Mapping Services	0
541370	Surveying and Mapping (except Geophysical) Services	12,866
541380	Testing Laboratories	15,545
5414	Specialized Design Services	75,966
541410	Interior Design Services	36,225
541420	Industrial Design Services	1,636
541430	Graphic Design Services	36,007
541490	Other Specialized Design Services	2,098
5415	Computer Systems Design and Related Services	227,830
541511	Custom Computer Programming Services	126,449
541512	Computer Systems Design Services	95,393
541513	Computer Facilities Management Services	1,143
541519	Other Computer Related Services	4,845
5416	Management, Scientific, and Technical Consulting Services	710,596
541611	Administrative Management and General Management Consulting Services	194,926
541612	Human Resources Consulting Services	14,775
541613	Marketing Consulting Services	69,691
541614	Process, Physical Distribution, and Logistics Consulting Services	4,092
541618	Other Management Consulting Services	359,979
541620	Environmental Consulting Services	24,407
541690	Other Scientific and Technical Consulting Services	42,726
5417	Scientific Research and Development Services	43,753
541713	Research and Development in Nanotechnology	0
541714	Research and Development in Biotechnology (except Nanobiotechnology)	6,223
541715	Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	22,429
541720	Research and Development in the Social Sciences and Humanities	15,101
5418	Advertising, Public Relations, and Related Services	63,514
541810	Advertising Agencies	23,930
541820	Public Relations Agencies	15,616
541830	Media Buying Agencies	830
541840	Media Representatives	3,347
541850	Outdoor Advertising	2,424
541860	Direct Mail Advertising	4,721
541870	Advertising Material Distribution Services	967
541890	Other Services Related to Advertising	11,679
5419	Other Professional, Scientific, and Technical Services	479,440
541910	Marketing Research and Public Opinion Polling	12,737
541921	Photography Studios, Portrait	88,315
541922	Commercial Photography	15,679
541930	Translation and Interpretation Services	6,873
541940	Veterinary Services	46,789
541990	All Other Professional, Scientific, and Technical Services	309,047

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