| Business | Phone |
| Speaker's Network Inc 1550 Old Henderson Rd, Columbus 43220 | (614) 442-3300 |
| Speakers Unlimited 5565 Woodridge Dr, Columbus 43213 | (614) 864-3703 |
| David Austin Sky Storyteller Columbus 43209 | (614) 235-3782 |
| Humor Consultants Inc 126 Kellys Court St, Columbus 43235 | (614) 410-6969 |
| Humor Consultants Inc 83 Olentangy St, Columbus 43202 | (614) 451-6969 |
| Leadership At It's Best 100 E Campus View Blvd # 250, Columbus 43235 | (614) 438-4167 |