| Business | Phone |
| Technimold Tool Inc 500 Cary Algonquin Rd 1, Cary 60013 | (847) 639-4226 |
| E & E Tool & Mfg 176 Detroit St 10, Cary 60013 | (847) 462-1170 |
| Gage Grinding Co 30 Northwest Hwy, Cary 60013 | (847) 639-3888 |
| J & S Precision Tool Corp 176 Detroit St, Cary 60013 | (847) 516-3605 |
| J D Engineering & Mold 500 Cary Algonquin Rd, Cary 60013 | (847) 462-8393 |