| 519190 | All Other Information Services |
| 541512 | Computer Systems Design Services |
| 541513 | Computer Facilities Management Services |
| 541519 | Other Computer Related Services |
| 541611 | Admin Management and General Management Consulting Services |
| 611420 | Computer Training |
| 611430 | Professional and Management Development Training |
| 541618 | Other Management Consulting Services |
| 561621 | Security Systems Services |
| 541990 | All Other Professional, Scientific and Technical Services |