NAICS Codes

# NAICS Description
1 423430 Computer and Computer Peripheral Equipment and Software Merchant Wholesalers
2 514711 Research and Development in Biotechnology
3 518210 Data Processing, Hosting, and Related Services
4 519120 Libraries and Archives
5 519130 Internet Publishing and Broadcasting and Web Search Portals
6 541199 All Other Legal Services
7 541211 Offices of Certified Public Accountants
8 541213 Tax Preparation Services
9 541214 Payroll Services
10 541219 Other Accounting Services
11 541330 Engineering Services
Exception A: Engineering for Military and Aerospace Equipment and Military Weapons
Exception B: Engineering for Contracts and Subcontracts for Engineering Services Awarded Under the National Energy Policy Act of 1992
Exception C: Engineering for Marine Engineering and Naval Architecture
12 541360 Geophysical Surveying and Mapping Services
13 541370 Surveying And Mapping (Except Geophysical) Services
14 541380 Testing Laboratories
15 541430 Graphic Design Services
16 541511 Custom Computer Programming Services
17 541512 Computer Systems Design Services
18 541513 Computer Facilities Management Services
19 541519 Other Computer Related Services
20 541611 Administrative Management and General Management Consulting Services
21 541612 Human Resources Consulting Services (2007/2012/2017), Human Resources and Executive Search Consulting Services (2002)
22 541613 Marketing Consulting Services
23 541614 Process, Physical Distribution, and Logistics Consulting Services
24 541618 Other Management Consulting Services
25 541620 Environmental Consulting Services
26 541690 Other Scientific and Technical Consulting Services
27 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)
28 541713 Research and Development in Nanotechnology
29 541714 Research and Development in Biotechnology (except Nanobiotechnology)
30 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
Exception A: Air Craft, Air Craft Engine and Engine Parts
Exception C: Research and Development in Space Vehicles and Guided Missiles, their Propulsion Units, their Propulsion Units Parts, and their Auxiliary Equipment and Parts
31 541720 Research and Development in the Social Sciences and Humanities
32 541810 Advertising Agencies
33 541820 Public Relations Agencies
34 541830 Media Buying Agencies
35 541840 Media Representatives
36 541850 Outdoor Advertising
37 541860 Direct Mail Advertising
38 541870 Advertising Material Distribution Services
39 541890 Other Services Related to Advertising
40 541910 Marketing Research and Public Opinion Polling
41 541990 All Other Professional, Scientific, and Technical Services
42 561110 Office Administrative Services
43 561210 Facilities Support Services
44 561320 Temporary Help Services
45 561422 Telemarketing Bureaus and Other Contact Centers
46 561499 All Other Business Support Services
47 561611 Investigation Services
48 561990 All Other Support Services
49 611420 Computer Training
50 611430 Professional and Management Development Training