| Business | Phone |
| American Extrusion Intl 498 Prairie Hill Rd, South Beloit 61080 | (815) 624-6616 |
| Vibracraft 15760 Willowbrook Rd, South Beloit 61080 | (815) 389-4000 |
| Beloit Bridge & Iron Co 638 Progressive Ln B, South Beloit 61080 | (815) 624-0739 |
| Blackhawk Rt Machine Products 956 Gardner St, South Beloit 61080 | (815) 389-3632 |
| Sugar River Machine Inc 667 Progressive Ln, South Beloit 61080 | (815) 624-0214 |
| Globe Precision Machining 1317 Railtree Ave, South Beloit 61080 | (815) 389-4586 |
| Meadoweld Machine Inc 530 Eastern Ave, South Beloit 61080 | (815) 389-8999 |
| Major Pattern & Mfg Inc 505 Eastern Ave, South Beloit 61080 | (815) 389-1880 |
| Keene Technology Inc 698 Quality Ln, South Beloit 61080 | (815) 624-8988 |
| Yates-Amer Machine Co South Beloit 61080 | (815) 389-3454 |