| Business | Phone |
| Advanced Mold & Eng Inc 7980 S International Dr, Columbus 47201 | (812) 342-9000 |
| Sun Plastech 3335 Hillcrest Dr, Columbus 47203 | (812) 378-5236 |
| Design Tek Engineering Svc 4920 N Warren Dr, Columbus 47203 | (812) 378-9691 |
| Perry Specialties Design Inc 4620 Progress Dr, Columbus 47201 | (812) 376-7714 |