| Business | Phone |
| Addison Screw Machine Products 703 W Annoreno Dr 11, Addison 60101 | (630) 543-7039 |
| Automatic Swiss Corp 1130 W National Ave, Addison 60101 | (630) 543-3888 |
| Graf-Apsco Inc 1515 W Wrightwood Ct 1, Addison 60101 | (630) 543-8000 |
| Bradley Machining Inc 703 W Annoreno Dr # 5, Addison 60101 | (630) 543-2875 |