Six Digit NAICS Codes: 54 Professional, Scientific, and Technical Services

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Codes	Titles	Total Marketable US Businesses
54	Professional, Scientific, and Technical Services	2,294,049
5411	Legal Services	358,827
541110	Offices of Lawyers	335,523
541120	Offices of Notaries	6,439
541191	Title Abstract and Settlement Offices	11,476
541199	All Other Legal Services	5,389
5412	Accounting, Tax Preparation, Bookkeeping, and Payroll Services	185,434
541211	Offices of Certified Public Accountants	73,111
541213	Tax Preparation Services	63,372
541214	Payroll Services	3,064
541219	Other Accounting Services	45,887
5413	Architectural, Engineering, and Related Services	257,768
541310	Architectural Services	38,992
541320	Landscape Architectural Services	84,144
541330	Engineering Services	96,861
541340	Drafting Services	1,657
541350	Building Inspection Services	8,628
541360	Geophysical Surveying and Mapping Services	0
541370	Surveying and Mapping (except Geophysical) Services	13,081
541380	Testing Laboratories	14,405
5414	Specialized Design Services	75,466
541410	Interior Design Services	35,939
541420	Industrial Design Services	1,798
541430	Graphic Design Services	35,925
541490	Other Specialized Design Services	1,804
5415	Computer Systems Design and Related Services	208,614
541511	Custom Computer Programming Services	112,108
541512	Computer Systems Design Services	90,349
541513	Computer Facilities Management Services	1,158
541519	Other Computer Related Services	4,999
5416	Management, Scientific, and Technical Consulting Services	671,559
541611	Administrative Management and General Management Consulting Services	186,335
541612	Human Resources Consulting Services	14,234
541613	Marketing Consulting Services	61,450
541614	Process, Physical Distribution, and Logistics Consulting Services	3,258
541618	Other Management Consulting Services	339,242
541620	Environmental Consulting Services	23,853
541690	Other Scientific and Technical Consulting Services	43,187
5417	Scientific Research and Development Services	43,885
541713	Research and Development in Nanotechnology	0
541714	Research and Development in Biotechnology (except Nanobiotechnology)	4,842
541715	Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	23,521
541720	Research and Development in the Social Sciences and Humanities	15,522
5418	Advertising, Public Relations, and Related Services	63,485
541810	Advertising Agencies	23,722
541820	Public Relations Agencies	15,970
541830	Media Buying Agencies	784
541840	Media Representatives	3,542
541850	Outdoor Advertising	2,506
541860	Direct Mail Advertising	4,844
541870	Advertising Material Distribution Services	1,029
541890	Other Services Related to Advertising	11,088
5419	Other Professional, Scientific, and Technical Services	429,011
541910	Marketing Research and Public Opinion Polling	12,850
541921	Photography Studios, Portrait	87,013
541922	Commercial Photography	15,969
541930	Translation and Interpretation Services	6,769
541940	Veterinary Services	46,855
541990	All Other Professional, Scientific, and Technical Services	259,555

Six Digit NAICS Codes & Titles

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