(NAICS, North American Industry Classification System)

51 Information

511 Publishing Industries (except Internet)

5112 Software Publishers

519 Other Information Services

5191 Other Information Services

51913 Internet Publishing and Broadcasting and Web Search Portals
51919 All Other Information Services

54 Professional, Scientific, and Technical Services

541 Professional, Scientific, and Technical Services

5415 Computer Systems Design and Related Services

54151 Computer Systems Design and Related Services

541511 Custom Computer Programming Services
541512 Computer Systems Design Services
541513 Computer Facilities Management Services
541519 Other Computer Related Services