| Business | Phone |
| Bang & Olufsen Easton Town Center 4165 The Strand, Columbus 43219 | (614) 473-9898 |
| Tiger Systems Inc 963 Schrock Rd, Columbus 43229 | (614) 888-8055 |
| Stereovisions 770 Bethel Rd, Columbus 43214 | (614) 459-4404 |
| Premiere Home Technologies Columbus 43221 | (614) 893-7315 |
| Newcome Electronic Systems 9005 Antares Ave, Columbus 43240 | (614) 848-5688 |
| Genesis Audio Ltd 1385 E Johnstown Rd, Columbus 43230 | (614) 939-0802 |