| Business | Phone |
| Littco Industries 543 S Vermont St, Palatine 60067 | (847) 934-9500 |
| Micro Scientific Industries 425 S Creekside Dr, Palatine 60074 | (847) 358-3766 |
| Pancosma Usa Inc 800 E Northwest Hwy, Palatine 60074 | (847) 221-5566 |
| R Ts Industries 800 E Northwest Hwy, Palatine 60074 | (847) 705-3867 |
| Jcl Mfg 20370 Rand Rd, Palatine 60074 | (847) 726-0623 |