| Business | Phone |
| F & A Products 897 American St, San Carlos 94070 | (650) 591-7711 |
| Fab-Mor Metals 1029 Washington St, San Carlos 94070 | (415) 550-1177 |
| Hoffman Metal Products 1007 Bransten Rd, San Carlos 94070 | (650) 592-5506 |
| Rhi Metal Fabricators 1725 Old County Rd, San Carlos 94070 | (650) 594-2864 |
| Rountree Sheet Metal 931 E San Carlos Ave, San Carlos 94070 | (650) 593-4323 |
| Schafer's Sheet Metal & Manufacturer 927 Center St, San Carlos 94070 | (650) 592-7200 |
| Spacesonic Precision Sheet Mtl 266 Industrial Rd, San Carlos 94070 | (650) 610-0999 |