| Business | Phone |
| Sytech Automated Mfg Systems 500 Central Ave, Columbus 47201 | (812) 377-8105 |
| Wells Manufacturing 3535 River Rd, Columbus 47203 | (812) 379-4145 |
| Qualtronics 1400 Grand Ave, Columbus 47201 | (812) 375-8880 |
| Manufacturing Technology Svc 4920 N Warren Dr, Columbus 47203 | (812) 379-4052 |