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| 85578417 | BRAINWEAVE | Penton Learning Systems, LLC | 4233773 |
| 75389197 | KID POWER | Penton Learning Systems, LLC | 2247346 |
| 78155556 | IQPC SUMMITS | Penton Learning Systems, LLC | — |
| 78370776 | KID POWER WEEK | Penton Learning Systems, LLC | — |
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| 78844657 | ETAILER | Penton Learning Systems, LLC | 3231945 |
| 78501218 | KIOSKCOM'S INTERACTIVE KIOSK EXCELLENCE AWARDS | Penton Learning Systems LLC | — |
| 78501211 | INTERACTIVE KIOSK EXCELLENCE AWARDS | Penton Learning Systems LLC | — |
| 78266445 | CORPORATE UNIVERSITY INSTITUTE | Penton Learning Systems, LLC | — |
| 78252204 | RASBIC | Penton Learning Systems, LLC | 3032826 |
| 78252201 | RECRUITING AND STAFFING BEST IN CLASS | Penton Learning Systems, LLC | — |
| 78252170 | CUBIC | Penton Learning Systems, LLC | — |
| 78252161 | CORPORATE UNIVERSITY BEST IN CLASS | Penton Learning Systems, LLC | — |
| 78181239 | SHARED SERVICES WEEK | Penton Learning Systems, LLC | — |
| 78181228 | HRTECH WEEK | Penton Learning Systems, LLC | — |
| 78049083 | SYNERGY SUMMITS, LLC | Penton Learning Systems, LLC | — |
| 78036027 | CTO | Penton Learning Systems, LLC | — |
| 78035998 | CHIEF TRAINING OFFICER | Penton Learning Systems, LLC | — |
| 76431139 | EBILLXCHANGE | Penton Learning Systems, LLC | — |
| 76431138 | EBILLX | Penton Learning Systems, LLC | — |
| 76431137 | KIOSKCOM'S INTERACTIVE KIOSK EXCELLENCE AWARDS | Penton Learning Systems, LLC | — |
| 76431136 | INTERACTIVE KIOSK EXCELLENCE AWARDS | Penton Learning Systems, LLC | — |
| 75929620 | ETEEN POWER | Penton Learning Systems LLC | 2435146 |
| 75929619 | TEEN POWER | Penton Learning Systems LLC | 2435145 |
