| Business | Phone |
| Julius Machine & Tool Co 14 Merry Ln # B, East Hanover 7936 | (973) 515-8540 |
| Electronic Connectors Inc 8 Littell Rd # C, East Hanover 7936 | (973) 887-1327 |
| G E Tool & Manufacturer 10 Littell Rd, East Hanover 7936 | (973) 428-6055 |
| Gamma Machine & Tool Co 20 Littell Rd, East Hanover 7936 | (973) 887-6442 |
| Gelco Precision 8 Great Meadow Ln # C, East Hanover 7936 | (973) 887-7460 |
| Gil Machine & Tool Co 8 Great Meadow Ln, East Hanover 7936 | (973) 428-0071 |
| Girard Othmar Precision 4 Great Meadow Ln, East Hanover 7936 | (973) 887-3372 |
| Panther Precision Manufacturer 7 Melanie Ln, East Hanover 7936 | (973) 887-7720 |