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	2,426,347
5411	Legal Services	363,518
541110	Offices of Lawyers	337,635
541120	Offices of Notaries	7,272
541191	Title Abstract and Settlement Offices	13,206
541199	All Other Legal Services	5,405
5412	Accounting, Tax Preparation, Bookkeeping, and Payroll Services	188,606
541211	Offices of Certified Public Accountants	77,738
541213	Tax Preparation Services	64,001
541214	Payroll Services	3,166
541219	Other Accounting Services	43,701
5413	Architectural, Engineering, and Related Services	267,572
541310	Architectural Services	38,942
541320	Landscape Architectural Services	88,051
541330	Engineering Services	98,731
541340	Drafting Services	1,632
541350	Building Inspection Services	11,346
541360	Geophysical Surveying and Mapping Services	0
541370	Surveying and Mapping (except Geophysical) Services	13,106
541380	Testing Laboratories	15,764
5414	Specialized Design Services	76,450
541410	Interior Design Services	36,427
541420	Industrial Design Services	1,679
541430	Graphic Design Services	36,457
541490	Other Specialized Design Services	1,887
5415	Computer Systems Design and Related Services	224,381
541511	Custom Computer Programming Services	123,391
541512	Computer Systems Design Services	95,017
541513	Computer Facilities Management Services	1,164
541519	Other Computer Related Services	4,809
5416	Management, Scientific, and Technical Consulting Services	710,490
541611	Administrative Management and General Management Consulting Services	192,175
541612	Human Resources Consulting Services	14,582
541613	Marketing Consulting Services	68,460
541614	Process, Physical Distribution, and Logistics Consulting Services	3,598
541618	Other Management Consulting Services	363,863
541620	Environmental Consulting Services	24,711
541690	Other Scientific and Technical Consulting Services	43,101
5417	Scientific Research and Development Services	44,212
541713	Research and Development in Nanotechnology	0
541714	Research and Development in Biotechnology (except Nanobiotechnology)	6,071
541715	Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	22,817
541720	Research and Development in the Social Sciences and Humanities	15,324
5418	Advertising, Public Relations, and Related Services	64,011
541810	Advertising Agencies	24,072
541820	Public Relations Agencies	15,713
541830	Media Buying Agencies	796
541840	Media Representatives	3,375
541850	Outdoor Advertising	2,441
541860	Direct Mail Advertising	4,753
541870	Advertising Material Distribution Services	973
541890	Other Services Related to Advertising	11,888
5419	Other Professional, Scientific, and Technical Services	487,107
541910	Marketing Research and Public Opinion Polling	12,881
541921	Photography Studios, Portrait	91,089
541922	Commercial Photography	15,699
541930	Translation and Interpretation Services	6,970
541940	Veterinary Services	47,426
541990	All Other Professional, Scientific, and Technical Services	313,042

Six Digit NAICS Codes & Titles

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