| Business | Phone |
| Bay Extrusions Inc 25029 Viking St, Hayward 94545 | (510) 638-0133 |
| Lusk Metals 26587 Corporate Ave, Hayward 94545 | (510) 785-6400 |
| Morse Industries Inc 30932 San Clemente St, Hayward 94544 | (510) 429-9343 |
| Superior Engineered Products 26304 Corporate Ave, Hayward 94545 | (510) 785-5880 |
| Tci Aluminum North 2353 Davis Ave, Hayward 94545 | (510) 786-3750 |