| Business | Phone |
| Lakeside Screw Products Inc 1395 Jeffrey Dr, Addison 60101 | (630) 495-1606 |
| Remco Swiss Limited 420 S Rohlwing Rd, Addison 60101 | (847) 439-5720 |
| True Dimension Co 1049 W Republic Dr, Addison 60101 | (630) 543-1151 |
| Vek Screw 777 W Winthrop Ave, Addison 60101 | (630) 543-5557 |