| Business | Phone |
| Workholding Technologies Inc 2500 N Main St, Rockford 61103 | (815) 962-1822 |
| Anderson Industries Inc 330 Spring Creek Rd, Rockford 61107 | (815) 637-7619 |
| Autoguard Dynocorp 5173 26th Ave, Rockford 61109 | (815) 398-9111 |
| Brynolf Manufacturing Inc 5459 11th St, Rockford 61109 | (815) 873-8878 |
| Cascade Industries Inc 3944 Auburn St, Rockford 61101 | (815) 968-6554 |
| Do All Industrial Supply Corp 236 N Laurel Ave, Rockford 61108 | (815) 229-7848 |
| Fast Industries Inc 1240 Anee Dr, Rockford 61108 | (815) 397-3772 |
| Fast Industries Inc 1652 Red Oak Ln, Rockford 61107 | (815) 397-3881 |
| P Gi Mfg Llc 5620 Falcon Rd, Rockford 61109 | (815) 398-9945 |
| Groom Industries Inc 3007 S Alpine Rd, Rockford 61109 | (815) 874-7212 |
| J C Richards 3405 Burlwood Dr, Rockford 61114 | (815) 654-9790 |
| Leidemaul 2325 20th Ave, Rockford 61104 | (815) 397-4051 |
| Wti Inc 1925 Elmwood Rd, Rockford 61103 | (815) 633-6500 |
| Graves & Graves 1463 Ramsey Close, Rockford 61107 | (815) 229-5209 |