| Business | Phone |
| Abs Tool & Machining 1202 20th Ave, Rockford 61104 | (815) 968-4630 |
| Action Tool & Mfg Inc 5573 Sandy Hollow Rd, Rockford 61109 | (815) 874-5775 |
| Banner Tool & Die Inc 3160 Forest View Rd, Rockford 61109 | (815) 398-1400 |
| United Skilled Inc 3412 Precision Dr, Rockford 61109 | (815) 874-9696 |
| Bourn & Kouch Machine Tool Inc 2500 Kishwaukee St, Rockford 61104 | (815) 965-0019 |
| Rockford Tool & Mfg Co 3023 Eastrock Ct, Rockford 61109 | (815) 398-5876 |
| Rockford Toolcraft Inc 766 Research Pkwy, Rockford 61109 | (815) 398-5507 |
| Rock Valley Tools 5085 27th Ave, Rockford 61109 | (815) 397-4774 |
| Dasco Pro Inc 340 Blackhawk Park Ave, Rockford 61104 | (815) 962-3727 |
| Precision Header Tooling Inc 3441 Precision Dr, Rockford 61109 | (815) 874-9116 |
| Future Tool Inc 2029 23rd Ave, Rockford 61104 | (815) 395-0012 |
| Gildon Inc 1623 Magnolia St, Rockford 61104 | (815) 963-9857 |
| Holmertz Tool & Die Co 1846 18th Ave, Rockford 61104 | (815) 397-0529 |