| Business | Phone |
| Romar Mold Inc 311 W University Dr, Arlington Heights 60004 | (847) 394-3355 |
| Mold Shop 12 W College Dr E, Arlington Heights 60004 | (847) 506-0010 |
| L C Mold Inc 760 W Algonquin Rd, Arlington Heights 60005 | (847) 593-5004 |
| Mgd Inc 750 W Algonquin Rd, Arlington Heights 60005 | (847) 981-1640 |