| Business | Phone |
| Amtec Molded Products Inc 866 Research Pkwy, Rockford 61109 | (815) 226-0276 |
| D & S Enterprises 2816 Kishwaukee St, Rockford 61109 | (815) 399-2734 |
| Pyramid Plastics Inc 1027 Research Pkwy, Rockford 61109 | (815) 398-0898 |
| Lad Co 1507 Kishwaukee St, Rockford 61104 | (815) 969-7711 |
| Legacy Plastics Inc 5040 27th Ave, Rockford 61109 | (815) 226-3013 |