| 721 |
Hardware consultancy |
| 722 |
Software consultancy and supply |
| 723 |
Data processing |
| 724 |
Data base activities |
| 729 |
Other computer related activities |
| 731 |
Research and experimental development on natural sciences and engineering (NSE) |
| 741 |
Legal, accounting, book-keeping and auditing activities; tax consultancy; market research and public opinion polling; business and management consultancy |
| 742 |
Architectural and engineering activities and other technical activities |
| 743 |
Advertising |
| 749 |
Business activities n.e.c. |
| 922 |
News agency activities |