| Business | Phone |
| Adcom 1991 Arlington Ave, Columbus 43212 | (614) 485-9155 |
| Adcom 390 Braemer Ct, Columbus 43230 | (614) 472-3880 |
| Cable Technology 2353 Westbrooke Dr, Columbus 43228 | (614) 876-4182 |
| Staley Inc 1010 Taylor Station Rd # C, Columbus 43230 | (614) 552-2333 |
| Shared Medical Systems 445 Hutchinson Ave, Columbus 43235 | (614) 786-1633 |
| Datatalk Executone 3930 Indianola Ave, Columbus 43214 | (614) 784-7100 |
| Datatec Industries 960 Crupper Ave, Columbus 43229 | (614) 844-5500 |
| Drk Enterprises 3588 Talford Rd, Columbus 43232 | (614) 833-4022 |