| Company | PENTON MEDIA, INC. |
|---|---|
| Business Number | 85621 |
| Business Address | NONE |
| Company | INTERNET WORLD MEDIA, INC. |
|---|---|
| Business Number | 292914 |
| Business Address | 1300 E. 9TH STREET, CLEVELAND, OH, 44114-1503 |
| Company | KEYSPAN ENERGY MANAGEMENT INC. |
|---|---|
| Business Number | 603865 |
| Business Address | CT CORPORATION, ONE COMMERCIAL PLAZA, HARTFORD, CT, 06103 |
| 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 |