81110000 Computer services
81112000 Data services
81112500 Computer software licensing rental or leasing service
81112200 Software maintenance and support
43230000 Software
43233200 Security and protection software
43233400 Utility and device driver software
43232300 Data management and query software
43232600 Industry specific software
43232000 Computer game or entertainment software
43232500 Educational or reference software
43233000 Operating environment software
43233500 Information exchange software
43233600 Electrical Equipment software
43232100 Content authoring and editing software
43232200 Content management software
43232800 Network management software
43231500 Business function specific software
43231600 Finance accounting and enterprise resource planning ERP software
43233700 System management software
43232700 Network applications software
43232400 Development software
43232900 Networking software