| Business | Phone |
| Amerock Corp 4000 Auburn St, Rockford 61101 | (815) 963-9631 |
| Androck Hardware Corp 711 19th St, Rockford 61104 | (815) 229-1144 |
| Tri B Hardware & Supply 2811 Charles St, Rockford 61108 | (815) 399-2828 |
| Rockford Process Control Inc 2020 7th St, Rockford 61104 | (815) 966-2000 |