| Company | PENTON MEDIA, INC. |
|---|---|
| Business Number | 85621 |
| Business Address | NONE |
| Company | PENTON BUSINESS MEDIA, INC. |
|---|---|
| Business Number | 649110 |
| Business Address | 11 RIVER BEND CENTER, BLDG XI, STAMFORD, CT, 06907 |
| Company | DUKE COMMUNICATIONS INTERNATIONAL, INC. |
|---|---|
| Business Number | 678319 |
| Business Address | NONE |
| Company | TNS CUSTOM RESEARCH, INC. |
|---|---|
| Business Number | 705907 |
| Business Address | NONE |