| Business | Phone |
| Cambridge Lasers Inc 853 Brown Rd, Fremont 94539 | (510) 651-0110 |
| D W Technology Inc 43066 Christy St, Fremont 94538 | (510) 226-8396 |
| New Wave Research 48660 Kato Rd, Fremont 94538 | (510) 249-1550 |
| Optiwork Inc 44951 Industrial Dr, Fremont 94538 | (510) 438-4560 |