North American Industry Classification System (NAICS) Codes

Code NAICS Title
517110 Wired Telecommunications Carriers
517919 All Other Telecommunications
518210 Data Processing, Hosting, And Related Services
541211 Offices Of Certified Public Accountants
541219 Other Accounting Services
541330 Engineering Services
541430 Graphic Design Services
541490 Other Specialized Design Services
541511 Custom Computer Programming Services
541512 Computer Systems Design Services
541513 Computer Facilities Management Services
541519 Other Computer Related Services
541611 Administrative Management And General Management Consulting Services
541612 Human Resources Consulting Services
541614 Process, Physical Distribution, And Logistics Consulting Services
541618 Other Management Consulting Services
541690 Other Scientific And Technical Consulting Services
541712 Research And Development In The Physical, Engineering, And Life Sciences (Except Biotechnology)
541720 Research And Development In The Social Sciences And Humanities
541990 All Other Professional, Scientific, And Technical Services
561110 Office Administrative Services
561210 Facilities Support Services
561499 All Other Business Support Services
561611 Investigation Services
561612 Security Guards And Patrol Services
611430 Professional And Management Development Training
621999 All Other Miscellaneous Ambulatory Health Care Services