| Business | Phone |
| Galaxy Granite 160 Beacon St, San Francisco 94080 | (650) 877-0990 |
| Silicon Valley Granite 1416 San Mateo Ave, San Francisco 94080 | (650) 952-2222 |
| Everlast Saw & Carbide Tools 159 Jules Ave, San Francisco 94112 | (415) 585-5709 |
| Specialty Equipment Co 300 Toland St, San Francisco 94124 | (415) 824-9500 |