| Business | Phone |
| Beejax Inc 156 Vermont Ave Sw, Warren 44485 | (330) 373-0500 |
| Glunt Industries Inc 319 N River Rd Nw, Warren 44483 | (330) 399-7585 |
| Mills Machine Co 168 Summerdale Ave Nw, Warren 44483 | (330) 847-2272 |
| Omega Tool & Die 5213 Tod Ave Sw, Warren 44481 | (330) 399-1563 |
| Ridge Machine 2700 Austintown Warren Rd Sw, Warren 44481 | (330) 544-0434 |
| Team Inc 172 Forest St Nw, Warren 44483 | (330) 394-6628 |
| Triangle Machine 640 Bronze Rd Ne, Warren 44483 | (330) 399-1175 |
| Trumbull Press Products Inc 1820 Highland Ave Sw, Warren 44485 | (330) 395-0181 |
| William Taylor Auto Frame 131 N River Rd, Warren 44483 | (330) 393-8138 |