| Business | Phone |
| A & W Precision Inc 4932 Elmwood Rd, Rockford 61101 | (815) 969-7039 |
| Vac-U-Lok 2500 N Main St, Rockford 61103 | (815) 962-6048 |
| Behr Machinery & Equipment Co 501 18th Ave, Rockford 61104 | (815) 987-2640 |
| Transatlantic Connection 1438 Collingswood Dr, Rockford 61103 | (815) 282-6070 |
| Trumpf Inc 5409 Tam O Shanter Dr, Rockford 61107 | (815) 399-5222 |
| Consep Industrial 4401 Wildwood Ln, Rockford 61101 | (815) 963-3373 |
| Rapid Air Corp 4601 Kishwaukee St, Rockford 61109 | (815) 397-2578 |
| Ingersoll Cutting Tool Co 845 S Lyford Rd, Rockford 61108 | (815) 398-5064 |
| Irving G Jacobson 6130 Boxwood Dr, Rockford 61114 | (815) 877-0783 |
| K & M Tooling 1830 9th St, Rockford 61104 | (815) 961-3375 |