| Business | Phone |
| Bvr Technologies Co 3358 N Publishers Dr, Rockford 61109 | (815) 874-2471 |
| Carmona Gear Cutting 2415 Kishwaukee St, Rockford 61104 | (815) 963-8236 |
| Shafer Gear Works Inc 5876 Sandy Hollow Rd, Rockford 61109 | (815) 874-4327 |
| Custom Gear & Machine Inc 1718 7th Ave, Rockford 61104 | (815) 227-4070 |
| Raycar Gear & Machine Inc 4884 Stenstrom Rd, Rockford 61109 | (815) 874-3948 |
| Jacobson Industrials Inc 2500 N Main St, Rockford 61103 | (815) 963-3321 |