| Business | Phone |
| Bridgeport Mold & Die Co 103 Erna Ave, Milford 6460 | (203) 874-9083 |
| Duz Manufacturing 87 Opal St, Milford 6460 | (203) 874-1032 |
| Gibson Tool & Die Co 336 New Haven Ave, Milford 6460 | (203) 874-2396 |
| J D Tool Co 225 Research Dr # 2, Milford 6460 | (203) 874-4114 |