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	2,370,906
5411	Legal Services	363,484
541110	Offices of Lawyers	338,883
541120	Offices of Notaries	6,793
541191	Title Abstract and Settlement Offices	12,408
541199	All Other Legal Services	5,400
5412	Accounting, Tax Preparation, Bookkeeping, and Payroll Services	188,328
541211	Offices of Certified Public Accountants	76,227
541213	Tax Preparation Services	63,955
541214	Payroll Services	3,125
541219	Other Accounting Services	45,021
5413	Architectural, Engineering, and Related Services	264,950
541310	Architectural Services	39,024
541320	Landscape Architectural Services	87,396
541330	Engineering Services	98,371
541340	Drafting Services	1,646
541350	Building Inspection Services	10,093
541360	Geophysical Surveying and Mapping Services	0
541370	Surveying and Mapping (except Geophysical) Services	13,172
541380	Testing Laboratories	15,248
5414	Specialized Design Services	76,148
541410	Interior Design Services	36,265
541420	Industrial Design Services	1,703
541430	Graphic Design Services	36,355
541490	Other Specialized Design Services	1,825
5415	Computer Systems Design and Related Services	219,823
541511	Custom Computer Programming Services	120,333
541512	Computer Systems Design Services	93,481
541513	Computer Facilities Management Services	1,164
541519	Other Computer Related Services	4,845
5416	Management, Scientific, and Technical Consulting Services	698,511
541611	Administrative Management and General Management Consulting Services	190,120
541612	Human Resources Consulting Services	14,402
541613	Marketing Consulting Services	66,108
541614	Process, Physical Distribution, and Logistics Consulting Services	3,398
541618	Other Management Consulting Services	357,157
541620	Environmental Consulting Services	24,318
541690	Other Scientific and Technical Consulting Services	43,008
5417	Scientific Research and Development Services	44,069
541713	Research and Development in Nanotechnology	0
541714	Research and Development in Biotechnology (except Nanobiotechnology)	5,583
541715	Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	23,232
541720	Research and Development in the Social Sciences and Humanities	15,254
5418	Advertising, Public Relations, and Related Services	63,922
541810	Advertising Agencies	23,939
541820	Public Relations Agencies	15,729
541830	Media Buying Agencies	785
541840	Media Representatives	3,427
541850	Outdoor Advertising	2,470
541860	Direct Mail Advertising	4,825
541870	Advertising Material Distribution Services	999
541890	Other Services Related to Advertising	11,748
5419	Other Professional, Scientific, and Technical Services	451,671
541910	Marketing Research and Public Opinion Polling	12,921
541921	Photography Studios, Portrait	90,413
541922	Commercial Photography	15,769
541930	Translation and Interpretation Services	6,922
541940	Veterinary Services	47,396
541990	All Other Professional, Scientific, and Technical Services	278,250

Six Digit NAICS Codes & Titles

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