| Business | Phone |
| Azimuth Industrial Co Inc 2497 Technology Dr, Hayward 94545 | (510) 785-5192 |
| Etec Systems Inc 26460 Corporate Ave, Hayward 94545 | (510) 783-9210 |
| Integrated Semiconductor Svc 21093 Forbes Ave, Hayward 94545 | (510) 781-1500 |
| Gel-Pak 31398 Huntwood Ave, Hayward 94544 | (510) 576-2220 |
| Sun West Group Of Co 30952 San Clemente St, Hayward 94544 | (510) 324-8776 |