Engineering and Technical Services Professional Services
541330 Engineering Services 541611 Administrative Management and General Management Consulting Services
541711 Research and Development in Biotechnology 541490 Other Management Consulting Services
541713 Research and Development in Nanotechnology 541720 Research and Development In The Social Sciences And Humanities
541714 Research and Development in Biotechnology  (except Nanotechnology) 541940 Veterinary Services
541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541990 All Other Professional, Scientific, And Technical Services
541690 Other Scientific and Technical Consulting Services 561920 Convention and Trade Show Organizers
611310 Colleges, Universities, and Professional Schools
Information Technologies 611430 Professional And Management Development Training
541430 Graphic Design Services 611512 Flight Training
541490 Other Specialized Design Services 611710 Educational Support Services
443120 Computer and Software Stores
811212 Computer and Office Machine Repair and Maintenance
541511 Custom Computer Programming Services
541512 Computer Systems Design Services
541513 Computer Facilities Management Services
541519 Other Computer Related Services