| Business | Phone |
| Surface Coatings Div 26 Plymouth St, Providence 2907 | (401) 467-2992 |
| Technodic Inc 245 Carolina Ave, Providence 2905 | (401) 467-6660 |
| International Chromium Plating 2 Addison Pl, Providence 2909 | (401) 421-0205 |
| Microfin Corp 555 Valley St # 9, Providence 2908 | (401) 274-2090 |