| Business | Phone |
| Tryco Machinery 5116 Carol Ct, Rockford 61108 | (815) 398-9544 |
| Ultra Stamping & Assembly Inc 4590 Hydraulic Rd, Rockford 61109 | (815) 874-9888 |
| Carlson Capitol Mfg Co 2319 23rd Ave, Rockford 61104 | (815) 398-3110 |
| Corrigan Manufacturers 2220 20th Ave, Rockford 61104 | (815) 399-9326 |
| Custom Metal Products 1827 Broadway, Rockford 61104 | (815) 397-2677 |
| Reliable Machine Co 1327 10th Ave, Rockford 61104 | (815) 968-8803 |
| Rockford Co 1827 Broadway, Rockford 61104 | (815) 397-3306 |
| Nelson Manufacturing 2516 20th St, Rockford 61104 | (815) 229-0161 |