| Business | Phone |
| Charges Die Cast & More 2150 25th St, Columbus 47201 | (812) 378-0411 |
| County Line Technologies Columbus 47201 | (812) 526-2666 |
| Product Engineering Co 1480 14th St, Columbus 47201 | (812) 372-4421 |
| Star Tools Inc 4489 Middle Rd, Columbus 47203 | (812) 372-6730 |
| Future Tool & Engineering Co 3400 Scott Dr, Columbus 47201 | (812) 376-8699 |
| Granite Engineering & Tool Co 51 S National Rd, Columbus 47201 | (812) 375-9077 |
| Greg's Tool & Machine 4920 N Warren Dr, Columbus 47203 | (812) 373-9329 |
| Hlw Enterprises Inc 2110 N 500 W, Columbus 47201 | (812) 372-8610 |
| Pace Tool & Engineering Inc 2675 Grissom St, Columbus 47203 | (812) 373-9885 |