| Business | Phone |
| Aurilyte Process Co 25 Mcwhorter St, Newark 7105 | (973) 344-4434 |
| Automatic Electro Plating Corp 185 Foundry St # 21, Newark 7105 | (973) 589-0344 |
| Diamond Hard Chromium Co 463 New Jersey Railroad Ave, Newark 7114 | (973) 824-9412 |
| Globe Plating 220 Miller St, Newark 7114 | (973) 623-1116 |
| Industrial Hard Chromium Co 7 Rome St, Newark 7105 | (973) 344-2265 |
| Manco Plating Inc 390 Park Ave, Newark 7107 | (973) 485-6800 |
| Rjb Metal Finishing Inc 175 Christie St, Newark 7105 | (973) 589-1112 |