| Business | Phone |
| B & N Jewelry Casting Co 64 Spruce St, Providence 2903 | (401) 331-7471 |
| Sunlight Industries 275 Harris Ave, Providence 2909 | (401) 421-9783 |
| Jms Casting Co 183 Public St, Providence 2903 | (401) 453-5990 |
| Karoway Polishing Inc 230 Oak St, Providence 2909 | (401) 331-0233 |
| Marian Jewelry 555 Valley St, Providence 2908 | (401) 272-2981 |
| Matrix Casting Inc 141 Baker St, Providence 2905 | (401) 941-0903 |
| Nat's Jewelry Casting Co 84 Sprague St, Providence 2907 | (401) 861-7080 |
| Rinaldi Casting 903 Manton Ave, Providence 2909 | (401) 521-6580 |
| R Co 555 Valley St, Providence 2908 | (401) 272-1082 |
| Rainbow Casting 69 Tingley St # 2, Providence 2903 | (401) 272-1406 |
| Raz-Mer Casting Co 233 Harris Ave, Providence 2903 | (401) 861-3500 |