80160000 Business administration services
80161500 Management support services
80161508 Document destruction services
80161506 Data archiving services
81110000 Computer services
81112000 Data services
81112001 Online data processing service
81112006 Data storage service
81112005 Document scanning service
81112003 Data center services
81112002 Data processing or preparation services
81112010 Data conversion service
81112009 Content or data classification services
81112007 Content or data standardization services
81111500 Software or hardware engineering
81111501 Mainframe software applications design
81111508 Application implementation services
81111513 Internet cloud storage service
81112300 Computer hardware maintenance and support
81112301 Disk storage system maintenance
81112306 Printer maintenance
81112200 Software maintenance and support
81112201 Maintenance or support fees
81112205 Database management system software maintenance
81112216 Educational or reference software maintenance
81112209 Development software maintenance
81112206 Information retrieval or search software maintenance
81112215 Content management software maintenance
81112204 Operating system software maintenance
81112220 Server software maintenance
81112202 Software patches or upgrades
81112210 System management software maintenance
86100000 Vocational training
86101600 Scientific vocational training services
86101601 Computer vocational training services
86101607 Telecommunications vocational training services
43230000 Software
43233200 Security and protection software
43233205 Transaction security and virus protection software
43233201 Authentication server software
43233203 Network security or virtual private network VPN management software
43232200 Content management software
43232202 Document management software
43232203 File versioning software