| Business | Phone |
| Universal Black Oxide Co 205 Oxford St, Gastonia 28054 | (704) 867-1772 |
| C & R Hard Chrome Svc 940 Hanover St, Gastonia 28054 | (704) 861-8831 |
| Custom Metal Finishing Inc 3055 Northwest Blvd, Gastonia 28052 | (704) 867-5711 |
| Industrial Electro Plating Co 307 Linwood Rd, Gastonia 28052 | (704) 867-4547 |
| Roach Plating Co 2304 Lowell Rd, Gastonia 28054 | (704) 824-4362 |