| Business | Phone |
| Barker Rockford Co 29 Airport Dr, Rockford 61109 | (815) 226-1241 |
| Cartridge Technology Hydraulic 3650 Mansfield St, Rockford 61109 | (815) 399-4510 |
| Catching Fluid Power 4793 Colt Rd, Rockford 61109 | (815) 874-6800 |
| Snap-Tite Inc 7981 Kahala Ct, Rockford 61107 | (815) 397-1550 |
| Power Systems Intl Inc 1300 Rock St, Rockford 61101 | (815) 968-0790 |
| Fluid Control Products 1620 Columbia Ave, Rockford 61104 | (815) 962-3021 |
| Norman Equipment Co 3250 Forest View Rd, Rockford 61109 | (815) 398-7535 |
| Mechanical Tool & Engineering 4700 Boeing Dr, Rockford 61109 | (815) 397-4701 |
| Hla Inc 325 S Madison St, Rockford 61104 | (815) 986-4400 |