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	2,412,470
5411	Legal Services	352,133
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
5412	Accounting, Tax Preparation, Bookkeeping, and Payroll Services	185,181
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
5413	Architectural, Engineering, and Related Services	264,053
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
5414	Specialized Design Services	76,636
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
5415	Computer Systems Design and Related Services	232,681
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
5416	Management, Scientific, and Technical Consulting Services	717,019
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
5417	Scientific Research and Development Services	43,685
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
5418	Advertising, Public Relations, and Related Services	63,697
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
5419	Other Professional, Scientific, and Technical Services	477,385
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

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