| Business | Phone |
| Hughes Sales 16w153 83rd St, Willowbrook 60527 | (630) 325-2334 |
| Independent Bearing Inc 16w231 S Frontage Rd, Willowbrook 60527 | (630) 654-3111 |
| Industrial Valve & Automation 231 S Frontage Rd 5, Willowbrook 60527 | (630) 323-1230 |
| Kiser Controls Co 7045 High Grove Blvd, Willowbrook 60527 | (630) 920-9171 |
| Pewag Chains & Fittings 281 Shore Dr, Willowbrook 60527 | (630) 323-4342 |