| Business | Phone |
| Concise National Components 622 Tanglewood Dr, Streamwood 60107 | (630) 830-5040 |
| Caffero Tool & Mfg Inc 1537 Brandy Pkwy, Streamwood 60107 | (630) 289-5811 |
| Midwest Machine Works 694 Bonded Pkwy, Streamwood 60107 | (630) 830-3255 |
| Viso's Machine Shop & Mfg 686 Bonded Pkwy, Streamwood 60107 | (630) 372-3925 |
| Triple Edge Mfg Inc 1540 Brandy Pkwy, Streamwood 60107 | (630) 540-4413 |