| Business | Phone |
| Battelle Memorial Institute 505 King Ave, Columbus 43201 | (614) 424-6424 |
| Syscom Technology 1573 Westbelt Dr, Columbus 43228 | (614) 850-7314 |
| Scientific Advances Inc 601 W 5th Ave, Columbus 43201 | (614) 424-6242 |
| Scientific Forming 5038 Reed Rd, Columbus 43220 | (614) 451-8330 |
| Personal Mortgage Research 445 Hutchinson Ave, Columbus 43235 | (614) 785-6423 |
| Oncoimmune 1275 Kinnear Rd, Columbus 43212 | (614) 340-1686 |
| Ocare 2109 W 5th Ave # B, Columbus 43212 | (614) 486-6404 |
| National Regulatory Research 1080 Carmack Rd # 372, Columbus 43210 | (614) 292-9404 |
| Metamateria 1275 Kinnear Rd, Columbus 43212 | (614) 340-1690 |
| Luckoff Display Corp 502 S 3rd St, Columbus 43215 | (614) 224-3140 |